Finding the Fourth Proportional to 42,624, 63,961.92 and 18,000
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Solution
The fourth proportional to 42,624, 63,961.92 and 18,000 is: 27,010.95
Step by Step Solution
- Step 1: Write the proportion equation
42,624 : 63,961.92 = 18,000 : x - Step 2: Convert to fraction form
42,624/63,961.92 = 18,000/x - Step 3: Cross multiply
42,624x = 63,961.92 × 18,000 - Step 4: Simplify right side
42,624x = 1,151,314,560 - Step 5: Solve for x
x = 1,151,314,560/42,624 - Step 6: Final answer
x = 27,010.95
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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.