Home / 40,179.92-55,446.68-22,030.26

Finding the Fourth Proportional to 40,179.92, 55,446.68 and 22,030.26

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Solution

The fourth proportional to 40,179.92, 55,446.68 and 22,030.26 is: 30,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,179.92 : 55,446.68 = 22,030.26 : x
  2. Step 2: Convert to fraction form
    40,179.92/55,446.68 = 22,030.26/x
  3. Step 3: Cross multiply
    40,179.92x = 55,446.68 × 22,030.26
  4. Step 4: Simplify right side
    40,179.92x = 1,221,504,776.54
  5. Step 5: Solve for x
    x = 1,221,504,776.54/40,179.92
  6. Step 6: Final answer
    x = 30,400.88

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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.