Home / 51,226.58-76,839.87-13,786.73

Finding the Fourth Proportional to 51,226.58, 76,839.87 and 13,786.73

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Solution

The fourth proportional to 51,226.58, 76,839.87 and 13,786.73 is: 20,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,226.58 : 76,839.87 = 13,786.73 : x
  2. Step 2: Convert to fraction form
    51,226.58/76,839.87 = 13,786.73/x
  3. Step 3: Cross multiply
    51,226.58x = 76,839.87 × 13,786.73
  4. Step 4: Simplify right side
    51,226.58x = 1,059,370,471.99
  5. Step 5: Solve for x
    x = 1,059,370,471.99/51,226.58
  6. Step 6: Final answer
    x = 20,680.10

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Similar ratio
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1.5x scale

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.