Home / 31,251.79-43,125.82-17,101.90

Finding the Fourth Proportional to 31,251.79, 43,125.82 and 17,101.90

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Solution

The fourth proportional to 31,251.79, 43,125.82 and 17,101.90 is: 23,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.79 : 43,125.82 = 17,101.90 : x
  2. Step 2: Convert to fraction form
    31,251.79/43,125.82 = 17,101.90/x
  3. Step 3: Cross multiply
    31,251.79x = 43,125.82 × 17,101.90
  4. Step 4: Simplify right side
    31,251.79x = 737,533,472.21
  5. Step 5: Solve for x
    x = 737,533,472.21/31,251.79
  6. Step 6: Final answer
    x = 23,599.72

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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.