Home / 62,789.20-94,125.24-21,207.12

Finding the Fourth Proportional to 62,789.20, 94,125.24 and 21,207.12

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Solution

The fourth proportional to 62,789.20, 94,125.24 and 21,207.12 is: 31,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,789.20 : 94,125.24 = 21,207.12 : x
  2. Step 2: Convert to fraction form
    62,789.20/94,125.24 = 21,207.12/x
  3. Step 3: Cross multiply
    62,789.20x = 94,125.24 × 21,207.12
  4. Step 4: Simplify right side
    62,789.20x = 1,996,125,259.71
  5. Step 5: Solve for x
    x = 1,996,125,259.71/62,789.20
  6. Step 6: Final answer
    x = 31,790.90

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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.