Home / 40,177.32-55,440.97-22,270.80

Finding the Fourth Proportional to 40,177.32, 55,440.97 and 22,270.80

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Solution

The fourth proportional to 40,177.32, 55,440.97 and 22,270.80 is: 30,731.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.32 : 55,440.97 = 22,270.80 : x
  2. Step 2: Convert to fraction form
    40,177.32/55,440.97 = 22,270.80/x
  3. Step 3: Cross multiply
    40,177.32x = 55,440.97 × 22,270.80
  4. Step 4: Simplify right side
    40,177.32x = 1,234,715,032.18
  5. Step 5: Solve for x
    x = 1,234,715,032.18/40,177.32
  6. Step 6: Final answer
    x = 30,731.64

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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.