Home / 31,251.12-43,126.50-17,103.96

Finding the Fourth Proportional to 31,251.12, 43,126.50 and 17,103.96

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Solution

The fourth proportional to 31,251.12, 43,126.50 and 17,103.96 is: 23,603.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.12 : 43,126.50 = 17,103.96 : x
  2. Step 2: Convert to fraction form
    31,251.12/43,126.50 = 17,103.96/x
  3. Step 3: Cross multiply
    31,251.12x = 43,126.50 × 17,103.96
  4. Step 4: Simplify right side
    31,251.12x = 737,633,930.94
  5. Step 5: Solve for x
    x = 737,633,930.94/31,251.12
  6. Step 6: Final answer
    x = 23,603.44

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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.