Home / 45,198.88-62,348.40-28,194.95

Finding the Fourth Proportional to 45,198.88, 62,348.40 and 28,194.95

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Solution

The fourth proportional to 45,198.88, 62,348.40 and 28,194.95 is: 38,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,198.88 : 62,348.40 = 28,194.95 : x
  2. Step 2: Convert to fraction form
    45,198.88/62,348.40 = 28,194.95/x
  3. Step 3: Cross multiply
    45,198.88x = 62,348.40 × 28,194.95
  4. Step 4: Simplify right side
    45,198.88x = 1,757,910,176.45
  5. Step 5: Solve for x
    x = 1,757,910,176.45/45,198.88
  6. Step 6: Final answer
    x = 38,892.78

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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.