Home / 51,815.90-71,505.17-29,154.92

Finding the Fourth Proportional to 51,815.90, 71,505.17 and 29,154.92

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Solution

The fourth proportional to 51,815.90, 71,505.17 and 29,154.92 is: 40,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,815.90 : 71,505.17 = 29,154.92 : x
  2. Step 2: Convert to fraction form
    51,815.90/71,505.17 = 29,154.92/x
  3. Step 3: Cross multiply
    51,815.90x = 71,505.17 × 29,154.92
  4. Step 4: Simplify right side
    51,815.90x = 2,084,727,007.64
  5. Step 5: Solve for x
    x = 2,084,727,007.64/51,815.90
  6. Step 6: Final answer
    x = 40,233.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.