Home / 39,375.62-54,342.97-22,382.42

Finding the Fourth Proportional to 39,375.62, 54,342.97 and 22,382.42

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Solution

The fourth proportional to 39,375.62, 54,342.97 and 22,382.42 is: 30,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.62 : 54,342.97 = 22,382.42 : x
  2. Step 2: Convert to fraction form
    39,375.62/54,342.97 = 22,382.42/x
  3. Step 3: Cross multiply
    39,375.62x = 54,342.97 × 22,382.42
  4. Step 4: Simplify right side
    39,375.62x = 1,216,326,850.92
  5. Step 5: Solve for x
    x = 1,216,326,850.92/39,375.62
  6. Step 6: Final answer
    x = 30,890.35

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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.