Home / 31,740.20-43,778.18-22,796.89

Finding the Fourth Proportional to 31,740.20, 43,778.18 and 22,796.89

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Solution

The fourth proportional to 31,740.20, 43,778.18 and 22,796.89 is: 31,442.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,740.20 : 43,778.18 = 22,796.89 : x
  2. Step 2: Convert to fraction form
    31,740.20/43,778.18 = 22,796.89/x
  3. Step 3: Cross multiply
    31,740.20x = 43,778.18 × 22,796.89
  4. Step 4: Simplify right side
    31,740.20x = 998,006,134.97
  5. Step 5: Solve for x
    x = 998,006,134.97/31,740.20
  6. Step 6: Final answer
    x = 31,442.97

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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.