Find the fourth proportional to 18, 36 and 52.
Answer & explanation
Correct answer: option 2
18 : 36 :: 52 : x
⇒ The fourth proportional x,
⇒ 18x = 36 x 52
⇒ 18x = 1872
⇒ x = 1104.
Find the fourth proportional to 18, 36 and 52.
Correct answer: option 2
18 : 36 :: 52 : x
⇒ The fourth proportional x,
⇒ 18x = 36 x 52
⇒ 18x = 1872
⇒ x = 1104.