Home / 40,173.20-55,438.45-22,267.82

Finding the Fourth Proportional to 40,173.20, 55,438.45 and 22,267.82

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Solution

The fourth proportional to 40,173.20, 55,438.45 and 22,267.82 is: 30,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.20 : 55,438.45 = 22,267.82 : x
  2. Step 2: Convert to fraction form
    40,173.20/55,438.45 = 22,267.82/x
  3. Step 3: Cross multiply
    40,173.20x = 55,438.45 × 22,267.82
  4. Step 4: Simplify right side
    40,173.20x = 1,234,493,425.68
  5. Step 5: Solve for x
    x = 1,234,493,425.68/40,173.20
  6. Step 6: Final answer
    x = 30,729.28

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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.