Home / 54,316.64-81,487.70-16,874.78

Finding the Fourth Proportional to 54,316.64, 81,487.70 and 16,874.78

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Solution

The fourth proportional to 54,316.64, 81,487.70 and 16,874.78 is: 25,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316.64 : 81,487.70 = 16,874.78 : x
  2. Step 2: Convert to fraction form
    54,316.64/81,487.70 = 16,874.78/x
  3. Step 3: Cross multiply
    54,316.64x = 81,487.70 × 16,874.78
  4. Step 4: Simplify right side
    54,316.64x = 1,375,087,010.21
  5. Step 5: Solve for x
    x = 1,375,087,010.21/54,316.64
  6. Step 6: Final answer
    x = 25,316.13

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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.