Home / 31,249.14-43,078.92-22,281.06

Finding the Fourth Proportional to 31,249.14, 43,078.92 and 22,281.06

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Solution

The fourth proportional to 31,249.14, 43,078.92 and 22,281.06 is: 30,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.14 : 43,078.92 = 22,281.06 : x
  2. Step 2: Convert to fraction form
    31,249.14/43,078.92 = 22,281.06/x
  3. Step 3: Cross multiply
    31,249.14x = 43,078.92 × 22,281.06
  4. Step 4: Simplify right side
    31,249.14x = 959,844,001.26
  5. Step 5: Solve for x
    x = 959,844,001.26/31,249.14
  6. Step 6: Final answer
    x = 30,715.85

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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.