Home / 40,174.38-55,438.29-22,268.25

Finding the Fourth Proportional to 40,174.38, 55,438.29 and 22,268.25

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Solution

The fourth proportional to 40,174.38, 55,438.29 and 22,268.25 is: 30,728.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,174.38 : 55,438.29 = 22,268.25 : x
  2. Step 2: Convert to fraction form
    40,174.38/55,438.29 = 22,268.25/x
  3. Step 3: Cross multiply
    40,174.38x = 55,438.29 × 22,268.25
  4. Step 4: Simplify right side
    40,174.38x = 1,234,513,701.29
  5. Step 5: Solve for x
    x = 1,234,513,701.29/40,174.38
  6. Step 6: Final answer
    x = 30,728.88

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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.