Finding the Fourth Proportional to 72,453.58, 108,603.66 and 24,376.42
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Solution
The fourth proportional to 72,453.58, 108,603.66 and 24,376.42 is: 36,538.82
Step by Step Solution
- Step 1: Write the proportion equation
72,453.58 : 108,603.66 = 24,376.42 : x - Step 2: Convert to fraction form
72,453.58/108,603.66 = 24,376.42/x - Step 3: Cross multiply
72,453.58x = 108,603.66 × 24,376.42 - Step 4: Simplify right side
72,453.58x = 2,647,368,429.70 - Step 5: Solve for x
x = 2,647,368,429.70/72,453.58 - Step 6: Final answer
x = 36,538.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.