Home / 51,789.27-71,469.09-29,127.90

Finding the Fourth Proportional to 51,789.27, 71,469.09 and 29,127.90

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Solution

The fourth proportional to 51,789.27, 71,469.09 and 29,127.90 is: 40,196.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,789.27 : 71,469.09 = 29,127.90 : x
  2. Step 2: Convert to fraction form
    51,789.27/71,469.09 = 29,127.90/x
  3. Step 3: Cross multiply
    51,789.27x = 71,469.09 × 29,127.90
  4. Step 4: Simplify right side
    51,789.27x = 2,081,744,506.61
  5. Step 5: Solve for x
    x = 2,081,744,506.61/51,789.27
  6. Step 6: Final answer
    x = 40,196.44

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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.