Home / 40,174.92-55,439.78-22,025.25

Finding the Fourth Proportional to 40,174.92, 55,439.78 and 22,025.25

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Solution

The fourth proportional to 40,174.92, 55,439.78 and 22,025.25 is: 30,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,174.92 : 55,439.78 = 22,025.25 : x
  2. Step 2: Convert to fraction form
    40,174.92/55,439.78 = 22,025.25/x
  3. Step 3: Cross multiply
    40,174.92x = 55,439.78 × 22,025.25
  4. Step 4: Simplify right side
    40,174.92x = 1,221,074,904.32
  5. Step 5: Solve for x
    x = 1,221,074,904.32/40,174.92
  6. Step 6: Final answer
    x = 30,393.96

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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.