Home / 36,819.68-55,228.60-11,861.44

Finding the Fourth Proportional to 36,819.68, 55,228.60 and 11,861.44

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Solution

The fourth proportional to 36,819.68, 55,228.60 and 11,861.44 is: 17,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,819.68 : 55,228.60 = 11,861.44 : x
  2. Step 2: Convert to fraction form
    36,819.68/55,228.60 = 11,861.44/x
  3. Step 3: Cross multiply
    36,819.68x = 55,228.60 × 11,861.44
  4. Step 4: Simplify right side
    36,819.68x = 655,090,725.18
  5. Step 5: Solve for x
    x = 655,090,725.18/36,819.68
  6. Step 6: Final answer
    x = 17,791.86

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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.