Home / 36,319.45-54,495.62-18,540.95

Finding the Fourth Proportional to 36,319.45, 54,495.62 and 18,540.95

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Solution

The fourth proportional to 36,319.45, 54,495.62 and 18,540.95 is: 27,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,319.45 : 54,495.62 = 18,540.95 : x
  2. Step 2: Convert to fraction form
    36,319.45/54,495.62 = 18,540.95/x
  3. Step 3: Cross multiply
    36,319.45x = 54,495.62 × 18,540.95
  4. Step 4: Simplify right side
    36,319.45x = 1,010,400,200.46
  5. Step 5: Solve for x
    x = 1,010,400,200.46/36,319.45
  6. Step 6: Final answer
    x = 27,819.81

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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.