Home / 40,177.74-55,445.30-22,272.96

Finding the Fourth Proportional to 40,177.74, 55,445.30 and 22,272.96

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Solution

The fourth proportional to 40,177.74, 55,445.30 and 22,272.96 is: 30,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.74 : 55,445.30 = 22,272.96 : x
  2. Step 2: Convert to fraction form
    40,177.74/55,445.30 = 22,272.96/x
  3. Step 3: Cross multiply
    40,177.74x = 55,445.30 × 22,272.96
  4. Step 4: Simplify right side
    40,177.74x = 1,234,930,949.09
  5. Step 5: Solve for x
    x = 1,234,930,949.09/40,177.74
  6. Step 6: Final answer
    x = 30,736.70

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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.