Home / 34,520.59-51,781.01-10,505.13

Finding the Fourth Proportional to 34,520.59, 51,781.01 and 10,505.13

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Solution

The fourth proportional to 34,520.59, 51,781.01 and 10,505.13 is: 15,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,520.59 : 51,781.01 = 10,505.13 : x
  2. Step 2: Convert to fraction form
    34,520.59/51,781.01 = 10,505.13/x
  3. Step 3: Cross multiply
    34,520.59x = 51,781.01 × 10,505.13
  4. Step 4: Simplify right side
    34,520.59x = 543,965,930.15
  5. Step 5: Solve for x
    x = 543,965,930.15/34,520.59
  6. Step 6: Final answer
    x = 15,757.72

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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.