Finding the Fourth Proportional to 73,824.53, 110,732.92 and 21,231.95
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Solution
The fourth proportional to 73,824.53, 110,732.92 and 21,231.95 is: 31,846.80
Step by Step Solution
- Step 1: Write the proportion equation
73,824.53 : 110,732.92 = 21,231.95 : x - Step 2: Convert to fraction form
73,824.53/110,732.92 = 21,231.95/x - Step 3: Cross multiply
73,824.53x = 110,732.92 × 21,231.95 - Step 4: Simplify right side
73,824.53x = 2,351,075,214.05 - Step 5: Solve for x
x = 2,351,075,214.05/73,824.53 - Step 6: Final answer
x = 31,846.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.