Home / 40,174.44-55,439.84-22,269.28

Finding the Fourth Proportional to 40,174.44, 55,439.84 and 22,269.28

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Solution

The fourth proportional to 40,174.44, 55,439.84 and 22,269.28 is: 30,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,174.44 : 55,439.84 = 22,269.28 : x
  2. Step 2: Convert to fraction form
    40,174.44/55,439.84 = 22,269.28/x
  3. Step 3: Cross multiply
    40,174.44x = 55,439.84 × 22,269.28
  4. Step 4: Simplify right side
    40,174.44x = 1,234,605,320.12
  5. Step 5: Solve for x
    x = 1,234,605,320.12/40,174.44
  6. Step 6: Final answer
    x = 30,731.11

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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.