Home / 31,251.46-43,127.03-17,104.38

Finding the Fourth Proportional to 31,251.46, 43,127.03 and 17,104.38

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Solution

The fourth proportional to 31,251.46, 43,127.03 and 17,104.38 is: 23,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.46 : 43,127.03 = 17,104.38 : x
  2. Step 2: Convert to fraction form
    31,251.46/43,127.03 = 17,104.38/x
  3. Step 3: Cross multiply
    31,251.46x = 43,127.03 × 17,104.38
  4. Step 4: Simplify right side
    31,251.46x = 737,661,109.39
  5. Step 5: Solve for x
    x = 737,661,109.39/31,251.46
  6. Step 6: Final answer
    x = 23,604.05

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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.