Home / 57,740.85-86,626.62-18,297.90

Finding the Fourth Proportional to 57,740.85, 86,626.62 and 18,297.90

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Solution

The fourth proportional to 57,740.85, 86,626.62 and 18,297.90 is: 27,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,740.85 : 86,626.62 = 18,297.90 : x
  2. Step 2: Convert to fraction form
    57,740.85/86,626.62 = 18,297.90/x
  3. Step 3: Cross multiply
    57,740.85x = 86,626.62 × 18,297.90
  4. Step 4: Simplify right side
    57,740.85x = 1,585,085,230.10
  5. Step 5: Solve for x
    x = 1,585,085,230.10/57,740.85
  6. Step 6: Final answer
    x = 27,451.71

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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.