Home / 57,519.12-86,299.42-20,084.70

Finding the Fourth Proportional to 57,519.12, 86,299.42 and 20,084.70

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Solution

The fourth proportional to 57,519.12, 86,299.42 and 20,084.70 is: 30,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,519.12 : 86,299.42 = 20,084.70 : x
  2. Step 2: Convert to fraction form
    57,519.12/86,299.42 = 20,084.70/x
  3. Step 3: Cross multiply
    57,519.12x = 86,299.42 × 20,084.70
  4. Step 4: Simplify right side
    57,519.12x = 1,733,297,960.87
  5. Step 5: Solve for x
    x = 1,733,297,960.87/57,519.12
  6. Step 6: Final answer
    x = 30,134.29

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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.