Home / 39,469.17-54,468.24-21,565.29

Finding the Fourth Proportional to 39,469.17, 54,468.24 and 21,565.29

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Solution

The fourth proportional to 39,469.17, 54,468.24 and 21,565.29 is: 29,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,469.17 : 54,468.24 = 21,565.29 : x
  2. Step 2: Convert to fraction form
    39,469.17/54,468.24 = 21,565.29/x
  3. Step 3: Cross multiply
    39,469.17x = 54,468.24 × 21,565.29
  4. Step 4: Simplify right side
    39,469.17x = 1,174,623,391.39
  5. Step 5: Solve for x
    x = 1,174,623,391.39/39,469.17
  6. Step 6: Final answer
    x = 29,760.53

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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.