Home / 31,630.68-43,648.20-17,481.60

Finding the Fourth Proportional to 31,630.68, 43,648.20 and 17,481.60

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Solution

The fourth proportional to 31,630.68, 43,648.20 and 17,481.60 is: 24,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,630.68 : 43,648.20 = 17,481.60 : x
  2. Step 2: Convert to fraction form
    31,630.68/43,648.20 = 17,481.60/x
  3. Step 3: Cross multiply
    31,630.68x = 43,648.20 × 17,481.60
  4. Step 4: Simplify right side
    31,630.68x = 763,040,373.12
  5. Step 5: Solve for x
    x = 763,040,373.12/31,630.68
  6. Step 6: Final answer
    x = 24,123.43

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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.