Home / 31,481.67-43,445.12-17,335.56

Finding the Fourth Proportional to 31,481.67, 43,445.12 and 17,335.56

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Solution

The fourth proportional to 31,481.67, 43,445.12 and 17,335.56 is: 23,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.67 : 43,445.12 = 17,335.56 : x
  2. Step 2: Convert to fraction form
    31,481.67/43,445.12 = 17,335.56/x
  3. Step 3: Cross multiply
    31,481.67x = 43,445.12 × 17,335.56
  4. Step 4: Simplify right side
    31,481.67x = 753,145,397.79
  5. Step 5: Solve for x
    x = 753,145,397.79/31,481.67
  6. Step 6: Final answer
    x = 23,923.30

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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.