Home / 39,249.25-54,162.84-22,255.12

Finding the Fourth Proportional to 39,249.25, 54,162.84 and 22,255.12

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Solution

The fourth proportional to 39,249.25, 54,162.84 and 22,255.12 is: 30,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,249.25 : 54,162.84 = 22,255.12 : x
  2. Step 2: Convert to fraction form
    39,249.25/54,162.84 = 22,255.12/x
  3. Step 3: Cross multiply
    39,249.25x = 54,162.84 × 22,255.12
  4. Step 4: Simplify right side
    39,249.25x = 1,205,400,503.74
  5. Step 5: Solve for x
    x = 1,205,400,503.74/39,249.25
  6. Step 6: Final answer
    x = 30,711.43

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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.