Home / 31,860.38-43,962.15-17,712.86

Finding the Fourth Proportional to 31,860.38, 43,962.15 and 17,712.86

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Solution

The fourth proportional to 31,860.38, 43,962.15 and 17,712.86 is: 24,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,860.38 : 43,962.15 = 17,712.86 : x
  2. Step 2: Convert to fraction form
    31,860.38/43,962.15 = 17,712.86/x
  3. Step 3: Cross multiply
    31,860.38x = 43,962.15 × 17,712.86
  4. Step 4: Simplify right side
    31,860.38x = 778,695,408.25
  5. Step 5: Solve for x
    x = 778,695,408.25/31,860.38
  6. Step 6: Final answer
    x = 24,440.87

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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.