Home / 40,177.49-55,441.21-22,270.98

Finding the Fourth Proportional to 40,177.49, 55,441.21 and 22,270.98

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Solution

The fourth proportional to 40,177.49, 55,441.21 and 22,270.98 is: 30,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.49 : 55,441.21 = 22,270.98 : x
  2. Step 2: Convert to fraction form
    40,177.49/55,441.21 = 22,270.98/x
  3. Step 3: Cross multiply
    40,177.49x = 55,441.21 × 22,270.98
  4. Step 4: Simplify right side
    40,177.49x = 1,234,730,079.09
  5. Step 5: Solve for x
    x = 1,234,730,079.09/40,177.49
  6. Step 6: Final answer
    x = 30,731.89

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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.