Home / 36,072.88-54,104.28-12,380.04

Finding the Fourth Proportional to 36,072.88, 54,104.28 and 12,380.04

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Solution

The fourth proportional to 36,072.88, 54,104.28 and 12,380.04 is: 18,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.88 : 54,104.28 = 12,380.04 : x
  2. Step 2: Convert to fraction form
    36,072.88/54,104.28 = 12,380.04/x
  3. Step 3: Cross multiply
    36,072.88x = 54,104.28 × 12,380.04
  4. Step 4: Simplify right side
    36,072.88x = 669,813,150.57
  5. Step 5: Solve for x
    x = 669,813,150.57/36,072.88
  6. Step 6: Final answer
    x = 18,568.33

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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.