Home / 37,221.29-55,819.94-12,255.39

Finding the Fourth Proportional to 37,221.29, 55,819.94 and 12,255.39

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Solution

The fourth proportional to 37,221.29, 55,819.94 and 12,255.39 is: 18,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.29 : 55,819.94 = 12,255.39 : x
  2. Step 2: Convert to fraction form
    37,221.29/55,819.94 = 12,255.39/x
  3. Step 3: Cross multiply
    37,221.29x = 55,819.94 × 12,255.39
  4. Step 4: Simplify right side
    37,221.29x = 684,095,073.20
  5. Step 5: Solve for x
    x = 684,095,073.20/37,221.29
  6. Step 6: Final answer
    x = 18,379.13

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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.