Home / 31,634.89-43,652.25-17,487.70

Finding the Fourth Proportional to 31,634.89, 43,652.25 and 17,487.70

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Solution

The fourth proportional to 31,634.89, 43,652.25 and 17,487.70 is: 24,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,634.89 : 43,652.25 = 17,487.70 : x
  2. Step 2: Convert to fraction form
    31,634.89/43,652.25 = 17,487.70/x
  3. Step 3: Cross multiply
    31,634.89x = 43,652.25 × 17,487.70
  4. Step 4: Simplify right side
    31,634.89x = 763,377,343.19
  5. Step 5: Solve for x
    x = 763,377,343.19/31,634.89
  6. Step 6: Final answer
    x = 24,130.87

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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.