Home / 39,607.97-54,660.38-21,702.92

Finding the Fourth Proportional to 39,607.97, 54,660.38 and 21,702.92

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Solution

The fourth proportional to 39,607.97, 54,660.38 and 21,702.92 is: 29,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,607.97 : 54,660.38 = 21,702.92 : x
  2. Step 2: Convert to fraction form
    39,607.97/54,660.38 = 21,702.92/x
  3. Step 3: Cross multiply
    39,607.97x = 54,660.38 × 21,702.92
  4. Step 4: Simplify right side
    39,607.97x = 1,186,289,472.49
  5. Step 5: Solve for x
    x = 1,186,289,472.49/39,607.97
  6. Step 6: Final answer
    x = 29,950.78

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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.