Home / 40,177.76-55,439.47-22,272.75

Finding the Fourth Proportional to 40,177.76, 55,439.47 and 22,272.75

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Solution

The fourth proportional to 40,177.76, 55,439.47 and 22,272.75 is: 30,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.76 : 55,439.47 = 22,272.75 : x
  2. Step 2: Convert to fraction form
    40,177.76/55,439.47 = 22,272.75/x
  3. Step 3: Cross multiply
    40,177.76x = 55,439.47 × 22,272.75
  4. Step 4: Simplify right side
    40,177.76x = 1,234,789,455.44
  5. Step 5: Solve for x
    x = 1,234,789,455.44/40,177.76
  6. Step 6: Final answer
    x = 30,733.16

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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.