Home / 31,337.82-43,247.10-17,191.56

Finding the Fourth Proportional to 31,337.82, 43,247.10 and 17,191.56

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Solution

The fourth proportional to 31,337.82, 43,247.10 and 17,191.56 is: 23,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337.82 : 43,247.10 = 17,191.56 : x
  2. Step 2: Convert to fraction form
    31,337.82/43,247.10 = 17,191.56/x
  3. Step 3: Cross multiply
    31,337.82x = 43,247.10 × 17,191.56
  4. Step 4: Simplify right side
    31,337.82x = 743,485,114.48
  5. Step 5: Solve for x
    x = 743,485,114.48/31,337.82
  6. Step 6: Final answer
    x = 23,724.85

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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.