Home / 39,521.92-54,515.32-27,580.90

Finding the Fourth Proportional to 39,521.92, 54,515.32 and 27,580.90

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Solution

The fourth proportional to 39,521.92, 54,515.32 and 27,580.90 is: 38,044.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,521.92 : 54,515.32 = 27,580.90 : x
  2. Step 2: Convert to fraction form
    39,521.92/54,515.32 = 27,580.90/x
  3. Step 3: Cross multiply
    39,521.92x = 54,515.32 × 27,580.90
  4. Step 4: Simplify right side
    39,521.92x = 1,503,581,589.39
  5. Step 5: Solve for x
    x = 1,503,581,589.39/39,521.92
  6. Step 6: Final answer
    x = 38,044.24

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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.