Home / 54,520.92-75,229.68-30,321.24

Finding the Fourth Proportional to 54,520.92, 75,229.68 and 30,321.24

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Solution

The fourth proportional to 54,520.92, 75,229.68 and 30,321.24 is: 41,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,520.92 : 75,229.68 = 30,321.24 : x
  2. Step 2: Convert to fraction form
    54,520.92/75,229.68 = 30,321.24/x
  3. Step 3: Cross multiply
    54,520.92x = 75,229.68 × 30,321.24
  4. Step 4: Simplify right side
    54,520.92x = 2,281,057,182.40
  5. Step 5: Solve for x
    x = 2,281,057,182.40/54,520.92
  6. Step 6: Final answer
    x = 41,838.20

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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.