Home / 52,930.83-73,044.61-28,731.78

Finding the Fourth Proportional to 52,930.83, 73,044.61 and 28,731.78

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Solution

The fourth proportional to 52,930.83, 73,044.61 and 28,731.78 is: 39,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,930.83 : 73,044.61 = 28,731.78 : x
  2. Step 2: Convert to fraction form
    52,930.83/73,044.61 = 28,731.78/x
  3. Step 3: Cross multiply
    52,930.83x = 73,044.61 × 28,731.78
  4. Step 4: Simplify right side
    52,930.83x = 2,098,701,673.68
  5. Step 5: Solve for x
    x = 2,098,701,673.68/52,930.83
  6. Step 6: Final answer
    x = 39,649.89

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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.