Home / 36,321.35-54,477.97-12,624.80

Finding the Fourth Proportional to 36,321.35, 54,477.97 and 12,624.80

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Solution

The fourth proportional to 36,321.35, 54,477.97 and 12,624.80 is: 18,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,321.35 : 54,477.97 = 12,624.80 : x
  2. Step 2: Convert to fraction form
    36,321.35/54,477.97 = 12,624.80/x
  3. Step 3: Cross multiply
    36,321.35x = 54,477.97 × 12,624.80
  4. Step 4: Simplify right side
    36,321.35x = 687,773,171.70
  5. Step 5: Solve for x
    x = 687,773,171.70/36,321.35
  6. Step 6: Final answer
    x = 18,935.78

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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.