Finding the Fourth Proportional to 67,375.32, 101,045.68 and 19,979.28
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Solution
The fourth proportional to 67,375.32, 101,045.68 and 19,979.28 is: 29,963.79
Step by Step Solution
- Step 1: Write the proportion equation
67,375.32 : 101,045.68 = 19,979.28 : x - Step 2: Convert to fraction form
67,375.32/101,045.68 = 19,979.28/x - Step 3: Cross multiply
67,375.32x = 101,045.68 × 19,979.28 - Step 4: Simplify right side
67,375.32x = 2,018,819,933.51 - Step 5: Solve for x
x = 2,018,819,933.51/67,375.32 - Step 6: Final answer
x = 29,963.79
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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.