Home / 39,301.92-54,237.78-21,397.23

Finding the Fourth Proportional to 39,301.92, 54,237.78 and 21,397.23

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Solution

The fourth proportional to 39,301.92, 54,237.78 and 21,397.23 is: 29,528.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,301.92 : 54,237.78 = 21,397.23 : x
  2. Step 2: Convert to fraction form
    39,301.92/54,237.78 = 21,397.23/x
  3. Step 3: Cross multiply
    39,301.92x = 54,237.78 × 21,397.23
  4. Step 4: Simplify right side
    39,301.92x = 1,160,538,253.35
  5. Step 5: Solve for x
    x = 1,160,538,253.35/39,301.92
  6. Step 6: Final answer
    x = 29,528.79

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1.5x scale

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.