Home / 39,520.18-54,512.90-27,579.16

Finding the Fourth Proportional to 39,520.18, 54,512.90 and 27,579.16

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Solution

The fourth proportional to 39,520.18, 54,512.90 and 27,579.16 is: 38,041.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,520.18 : 54,512.90 = 27,579.16 : x
  2. Step 2: Convert to fraction form
    39,520.18/54,512.90 = 27,579.16/x
  3. Step 3: Cross multiply
    39,520.18x = 54,512.90 × 27,579.16
  4. Step 4: Simplify right side
    39,520.18x = 1,503,419,991.16
  5. Step 5: Solve for x
    x = 1,503,419,991.16/39,520.18
  6. Step 6: Final answer
    x = 38,041.83

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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.