It's about one-one-hundred-fiftieth as long as The Seventeenth hole of Pebble Beach
In other words, 47 inches is 0.00737 times the length of The Seventeenth hole of Pebble Beach, and the length of The Seventeenth hole of Pebble Beach is 136 times that amount.(fully Pebble Beach Golf Links) (Pebble Beach; Monterey, California) (from Blue Tee)
The seventeenth hole on Pebble Beach Golf Links is a par 3 measuring 6,380 inches from the blue tee. This hole was the site of professional golfer Jack Nicklaus' 1972 U.S. Open win, which included a 1-iron shot that bounced off the hole's flag and resulted in a birdie.
It's about one-one-hundred-fiftieth as tall as The Singapore Flyer (Ferris wheel)
In other words, 47 inches is 0.00724 times the height of The Singapore Flyer (Ferris wheel), and the height of The Singapore Flyer (Ferris wheel) is 138 times that amount.(a.k.a. 新加坡摩天观景轮, a.k.a. சிங்கப்பூர் ஃப்ளையர், a.k.a. Pelayang Singapura) (Marina Centre, Singapore)
The Singapore Flyer has a height of 6,500 inches. Based on recommendations from Feng Shui masters, the wheel was re-engineered to spin in the opposite direction five months after it began operating.
It's about one-one-hundred-fiftieth as tall as The Washington Monument
In other words, 47 inches is 0.0070518 times the height of The Washington Monument, and the height of The Washington Monument is 141.810 times that amount.(Washington, D.C.)
The Washington Monument measures 6,665 inches tall, with some discrepancy due to the fact that the Monument's base is slightly below the surrounding ground. Interrupted in its construction by the American Civil War, it was almost 36 years between groundbreaking and the completion of construction.
It's about one-one-hundred-fiftieth as tall as St. Paul's Cathedral
In other words, 47 inches is 0.00686 times the height of St. Paul's Cathedral, and the height of St. Paul's Cathedral is 146 times that amount.(London, England, United Kingdom)
St. Paul's Cathedral measures 6,850 inches to its peak. The southwest tower of the Cathedral contains the bell known as "Great Paul," which is the largest bell in Great Britain at 15,000 kg (16.5 tons), outweighing the more iconic Big Ben bell by about 3,000 kg (3 tons).
It's about one-one-hundred-fiftieth as tall as The Space Needle
In other words, 47 inches is 0.00649 times the height of The Space Needle, and the height of The Space Needle is 154 times that amount.(Seattle, Washington) (to aircraft warning beacon at peak)
Built for a 1962 World's Fair, the Space Needle stands 7,240 inches tall. With a track-and-wheel design inspired by railroad mechanics and a precisely-configured balance, the restaurant near the top of the space needle requires just a 1.5 hp motor to rotate at speeds of about 0.053 kph (0.033 mph).
It's about one-two-hundredth as tall as The Golden Gate Bridge
In other words, 47 inches is 0.00526 times the height of The Golden Gate Bridge, and the height of The Golden Gate Bridge is 190 times that amount.(San Francisco, California and Marin County, California) (height above water)
The height of each tower of Golden Gate Bridge is 8,940 inches above the surface of the San Francisco Bay. One of the key designers of the bridge, Charles Ellis, had no engineering degree when he began working on the project, but would later go on to write what became a standard textbook on structural engineering, and would ultimately be forced to complete his calculations on the bridge by working without pay for five months.
It's about one-two-hundred-fiftieth as long as The QE2
In other words, 47 inches is 0.00406 times the length of The QE2, and the length of The QE2 is 246 times that amount.(a.k.a. RMS Queen Elizabeth 2)
The QE2 has a total length of 11,600 inches. During its voyaging lifetime from 1969 through 2008, it travelled more than 378,000,000,000 inches, the furthest cumulative distance by any ship in modern history.