Home / 36,949.91-55,424.88-11,989.98

Finding the Fourth Proportional to 36,949.91, 55,424.88 and 11,989.98

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Solution

The fourth proportional to 36,949.91, 55,424.88 and 11,989.98 is: 17,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,949.91 : 55,424.88 = 11,989.98 : x
  2. Step 2: Convert to fraction form
    36,949.91/55,424.88 = 11,989.98/x
  3. Step 3: Cross multiply
    36,949.91x = 55,424.88 × 11,989.98
  4. Step 4: Simplify right side
    36,949.91x = 664,543,202.70
  5. Step 5: Solve for x
    x = 664,543,202.70/36,949.91
  6. Step 6: Final answer
    x = 17,984.98

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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.