Home / 31,249.92-43,080.04-22,281.88

Finding the Fourth Proportional to 31,249.92, 43,080.04 and 22,281.88

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Solution

The fourth proportional to 31,249.92, 43,080.04 and 22,281.88 is: 30,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.92 : 43,080.04 = 22,281.88 : x
  2. Step 2: Convert to fraction form
    31,249.92/43,080.04 = 22,281.88/x
  3. Step 3: Cross multiply
    31,249.92x = 43,080.04 × 22,281.88
  4. Step 4: Simplify right side
    31,249.92x = 959,904,281.68
  5. Step 5: Solve for x
    x = 959,904,281.68/31,249.92
  6. Step 6: Final answer
    x = 30,717.02

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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.