Home / 31,932.73-44,067.15-18,511.78

Finding the Fourth Proportional to 31,932.73, 44,067.15 and 18,511.78

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Solution

The fourth proportional to 31,932.73, 44,067.15 and 18,511.78 is: 25,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,932.73 : 44,067.15 = 18,511.78 : x
  2. Step 2: Convert to fraction form
    31,932.73/44,067.15 = 18,511.78/x
  3. Step 3: Cross multiply
    31,932.73x = 44,067.15 × 18,511.78
  4. Step 4: Simplify right side
    31,932.73x = 815,761,386.03
  5. Step 5: Solve for x
    x = 815,761,386.03/31,932.73
  6. Step 6: Final answer
    x = 25,546.25

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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.