Home / 36,474.88-54,719.68-11,518.80

Finding the Fourth Proportional to 36,474.88, 54,719.68 and 11,518.80

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Solution

The fourth proportional to 36,474.88, 54,719.68 and 11,518.80 is: 17,280.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,474.88 : 54,719.68 = 11,518.80 : x
  2. Step 2: Convert to fraction form
    36,474.88/54,719.68 = 11,518.80/x
  3. Step 3: Cross multiply
    36,474.88x = 54,719.68 × 11,518.80
  4. Step 4: Simplify right side
    36,474.88x = 630,305,049.98
  5. Step 5: Solve for x
    x = 630,305,049.98/36,474.88
  6. Step 6: Final answer
    x = 17,280.52

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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.