Home / 31,170.92-43,014.12-17,745.44

Finding the Fourth Proportional to 31,170.92, 43,014.12 and 17,745.44

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Solution

The fourth proportional to 31,170.92, 43,014.12 and 17,745.44 is: 24,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,170.92 : 43,014.12 = 17,745.44 : x
  2. Step 2: Convert to fraction form
    31,170.92/43,014.12 = 17,745.44/x
  3. Step 3: Cross multiply
    31,170.92x = 43,014.12 × 17,745.44
  4. Step 4: Simplify right side
    31,170.92x = 763,304,485.61
  5. Step 5: Solve for x
    x = 763,304,485.61/31,170.92
  6. Step 6: Final answer
    x = 24,487.71

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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.