Home / 31,871.52-43,976.97-18,073.89

Finding the Fourth Proportional to 31,871.52, 43,976.97 and 18,073.89

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Solution

The fourth proportional to 31,871.52, 43,976.97 and 18,073.89 is: 24,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,871.52 : 43,976.97 = 18,073.89 : x
  2. Step 2: Convert to fraction form
    31,871.52/43,976.97 = 18,073.89/x
  3. Step 3: Cross multiply
    31,871.52x = 43,976.97 × 18,073.89
  4. Step 4: Simplify right side
    31,871.52x = 794,834,918.31
  5. Step 5: Solve for x
    x = 794,834,918.31/31,871.52
  6. Step 6: Final answer
    x = 24,938.72

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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.