Home / 31,660.89-43,691.85-17,513.43

Finding the Fourth Proportional to 31,660.89, 43,691.85 and 17,513.43

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Solution

The fourth proportional to 31,660.89, 43,691.85 and 17,513.43 is: 24,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,660.89 : 43,691.85 = 17,513.43 : x
  2. Step 2: Convert to fraction form
    31,660.89/43,691.85 = 17,513.43/x
  3. Step 3: Cross multiply
    31,660.89x = 43,691.85 × 17,513.43
  4. Step 4: Simplify right side
    31,660.89x = 765,194,156.55
  5. Step 5: Solve for x
    x = 765,194,156.55/31,660.89
  6. Step 6: Final answer
    x = 24,168.43

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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.