Home / 40,900.53-61,351.57-12,819.97

Finding the Fourth Proportional to 40,900.53, 61,351.57 and 12,819.97

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Solution

The fourth proportional to 40,900.53, 61,351.57 and 12,819.97 is: 19,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,900.53 : 61,351.57 = 12,819.97 : x
  2. Step 2: Convert to fraction form
    40,900.53/61,351.57 = 12,819.97/x
  3. Step 3: Cross multiply
    40,900.53x = 61,351.57 × 12,819.97
  4. Step 4: Simplify right side
    40,900.53x = 786,525,286.85
  5. Step 5: Solve for x
    x = 786,525,286.85/40,900.53
  6. Step 6: Final answer
    x = 19,230.20

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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.