Home / 57,520.62-86,280.99-18,081.18

Finding the Fourth Proportional to 57,520.62, 86,280.99 and 18,081.18

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Solution

The fourth proportional to 57,520.62, 86,280.99 and 18,081.18 is: 27,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,520.62 : 86,280.99 = 18,081.18 : x
  2. Step 2: Convert to fraction form
    57,520.62/86,280.99 = 18,081.18/x
  3. Step 3: Cross multiply
    57,520.62x = 86,280.99 × 18,081.18
  4. Step 4: Simplify right side
    57,520.62x = 1,560,062,110.77
  5. Step 5: Solve for x
    x = 1,560,062,110.77/57,520.62
  6. Step 6: Final answer
    x = 27,121.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.