Home / 40,177.94-55,439.64-22,272.86

Finding the Fourth Proportional to 40,177.94, 55,439.64 and 22,272.86

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Solution

The fourth proportional to 40,177.94, 55,439.64 and 22,272.86 is: 30,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.94 : 55,439.64 = 22,272.86 : x
  2. Step 2: Convert to fraction form
    40,177.94/55,439.64 = 22,272.86/x
  3. Step 3: Cross multiply
    40,177.94x = 55,439.64 × 22,272.86
  4. Step 4: Simplify right side
    40,177.94x = 1,234,799,340.17
  5. Step 5: Solve for x
    x = 1,234,799,340.17/40,177.94
  6. Step 6: Final answer
    x = 30,733.27

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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.