Home / 36,388.50-54,481.41-18,580.86

Finding the Fourth Proportional to 36,388.50, 54,481.41 and 18,580.86

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Solution

The fourth proportional to 36,388.50, 54,481.41 and 18,580.86 is: 27,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,388.50 : 54,481.41 = 18,580.86 : x
  2. Step 2: Convert to fraction form
    36,388.50/54,481.41 = 18,580.86/x
  3. Step 3: Cross multiply
    36,388.50x = 54,481.41 × 18,580.86
  4. Step 4: Simplify right side
    36,388.50x = 1,012,311,451.81
  5. Step 5: Solve for x
    x = 1,012,311,451.81/36,388.50
  6. Step 6: Final answer
    x = 27,819.54

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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.