Home / 31,279.73-43,166.31-17,850.85

Finding the Fourth Proportional to 31,279.73, 43,166.31 and 17,850.85

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Solution

The fourth proportional to 31,279.73, 43,166.31 and 17,850.85 is: 24,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,279.73 : 43,166.31 = 17,850.85 : x
  2. Step 2: Convert to fraction form
    31,279.73/43,166.31 = 17,850.85/x
  3. Step 3: Cross multiply
    31,279.73x = 43,166.31 × 17,850.85
  4. Step 4: Simplify right side
    31,279.73x = 770,555,216.95
  5. Step 5: Solve for x
    x = 770,555,216.95/31,279.73
  6. Step 6: Final answer
    x = 24,634.33

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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.