Home / 36,388.39-54,481.35-18,580.59

Finding the Fourth Proportional to 36,388.39, 54,481.35 and 18,580.59

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Solution

The fourth proportional to 36,388.39, 54,481.35 and 18,580.59 is: 27,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,388.39 : 54,481.35 = 18,580.59 : x
  2. Step 2: Convert to fraction form
    36,388.39/54,481.35 = 18,580.59/x
  3. Step 3: Cross multiply
    36,388.39x = 54,481.35 × 18,580.59
  4. Step 4: Simplify right side
    36,388.39x = 1,012,295,627.00
  5. Step 5: Solve for x
    x = 1,012,295,627.00/36,388.39
  6. Step 6: Final answer
    x = 27,819.19

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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.