Home / 40,780.80-56,279.52-22,874.88

Finding the Fourth Proportional to 40,780.80, 56,279.52 and 22,874.88

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Solution

The fourth proportional to 40,780.80, 56,279.52 and 22,874.88 is: 31,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,780.80 : 56,279.52 = 22,874.88 : x
  2. Step 2: Convert to fraction form
    40,780.80/56,279.52 = 22,874.88/x
  3. Step 3: Cross multiply
    40,780.80x = 56,279.52 × 22,874.88
  4. Step 4: Simplify right side
    40,780.80x = 1,287,387,266.46
  5. Step 5: Solve for x
    x = 1,287,387,266.46/40,780.80
  6. Step 6: Final answer
    x = 31,568.47

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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.