Home / 39,351.99-54,304.17-21,446.61

Finding the Fourth Proportional to 39,351.99, 54,304.17 and 21,446.61

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Solution

The fourth proportional to 39,351.99, 54,304.17 and 21,446.61 is: 29,595.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.99 : 54,304.17 = 21,446.61 : x
  2. Step 2: Convert to fraction form
    39,351.99/54,304.17 = 21,446.61/x
  3. Step 3: Cross multiply
    39,351.99x = 54,304.17 × 21,446.61
  4. Step 4: Simplify right side
    39,351.99x = 1,164,640,538.90
  5. Step 5: Solve for x
    x = 1,164,640,538.90/39,351.99
  6. Step 6: Final answer
    x = 29,595.47

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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.