Home / 39,508.92-54,526.05-21,606.66

Finding the Fourth Proportional to 39,508.92, 54,526.05 and 21,606.66

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Solution

The fourth proportional to 39,508.92, 54,526.05 and 21,606.66 is: 29,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,508.92 : 54,526.05 = 21,606.66 : x
  2. Step 2: Convert to fraction form
    39,508.92/54,526.05 = 21,606.66/x
  3. Step 3: Cross multiply
    39,508.92x = 54,526.05 × 21,606.66
  4. Step 4: Simplify right side
    39,508.92x = 1,178,125,823.49
  5. Step 5: Solve for x
    x = 1,178,125,823.49/39,508.92
  6. Step 6: Final answer
    x = 29,819.24

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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.