Home / 31,339.14-43,248.45-17,191.70

Finding the Fourth Proportional to 31,339.14, 43,248.45 and 17,191.70

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Solution

The fourth proportional to 31,339.14, 43,248.45 and 17,191.70 is: 23,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,339.14 : 43,248.45 = 17,191.70 : x
  2. Step 2: Convert to fraction form
    31,339.14/43,248.45 = 17,191.70/x
  3. Step 3: Cross multiply
    31,339.14x = 43,248.45 × 17,191.70
  4. Step 4: Simplify right side
    31,339.14x = 743,514,377.87
  5. Step 5: Solve for x
    x = 743,514,377.87/31,339.14
  6. Step 6: Final answer
    x = 23,724.79

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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.