Home / 31,500.92-43,471.28-17,353.78

Finding the Fourth Proportional to 31,500.92, 43,471.28 and 17,353.78

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Solution

The fourth proportional to 31,500.92, 43,471.28 and 17,353.78 is: 23,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.92 : 43,471.28 = 17,353.78 : x
  2. Step 2: Convert to fraction form
    31,500.92/43,471.28 = 17,353.78/x
  3. Step 3: Cross multiply
    31,500.92x = 43,471.28 × 17,353.78
  4. Step 4: Simplify right side
    31,500.92x = 754,391,029.44
  5. Step 5: Solve for x
    x = 754,391,029.44/31,500.92
  6. Step 6: Final answer
    x = 23,948.22

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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.