Home / 39,877.38-59,759.66-22,115.86

Finding the Fourth Proportional to 39,877.38, 59,759.66 and 22,115.86

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Solution

The fourth proportional to 39,877.38, 59,759.66 and 22,115.86 is: 33,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877.38 : 59,759.66 = 22,115.86 : x
  2. Step 2: Convert to fraction form
    39,877.38/59,759.66 = 22,115.86/x
  3. Step 3: Cross multiply
    39,877.38x = 59,759.66 × 22,115.86
  4. Step 4: Simplify right side
    39,877.38x = 1,321,636,274.21
  5. Step 5: Solve for x
    x = 1,321,636,274.21/39,877.38
  6. Step 6: Final answer
    x = 33,142.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.