Home / 31,629.33-43,648.20-17,481.87

Finding the Fourth Proportional to 31,629.33, 43,648.20 and 17,481.87

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Solution

The fourth proportional to 31,629.33, 43,648.20 and 17,481.87 is: 24,124.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.33 : 43,648.20 = 17,481.87 : x
  2. Step 2: Convert to fraction form
    31,629.33/43,648.20 = 17,481.87/x
  3. Step 3: Cross multiply
    31,629.33x = 43,648.20 × 17,481.87
  4. Step 4: Simplify right side
    31,629.33x = 763,052,158.13
  5. Step 5: Solve for x
    x = 763,052,158.13/31,629.33
  6. Step 6: Final answer
    x = 24,124.83

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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.