Home / 31,910.72-43,976.92-22,942.68

Finding the Fourth Proportional to 31,910.72, 43,976.92 and 22,942.68

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Solution

The fourth proportional to 31,910.72, 43,976.92 and 22,942.68 is: 31,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,910.72 : 43,976.92 = 22,942.68 : x
  2. Step 2: Convert to fraction form
    31,910.72/43,976.92 = 22,942.68/x
  3. Step 3: Cross multiply
    31,910.72x = 43,976.92 × 22,942.68
  4. Step 4: Simplify right side
    31,910.72x = 1,008,948,402.95
  5. Step 5: Solve for x
    x = 1,008,948,402.95/31,910.72
  6. Step 6: Final answer
    x = 31,617.85

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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.