Home / 31,365.92-43,279.39-17,753.90

Finding the Fourth Proportional to 31,365.92, 43,279.39 and 17,753.90

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Solution

The fourth proportional to 31,365.92, 43,279.39 and 17,753.90 is: 24,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,365.92 : 43,279.39 = 17,753.90 : x
  2. Step 2: Convert to fraction form
    31,365.92/43,279.39 = 17,753.90/x
  3. Step 3: Cross multiply
    31,365.92x = 43,279.39 × 17,753.90
  4. Step 4: Simplify right side
    31,365.92x = 768,377,806.42
  5. Step 5: Solve for x
    x = 768,377,806.42/31,365.92
  6. Step 6: Final answer
    x = 24,497.22

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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.