Home / 36,451.80-54,704.70-18,912.60

Finding the Fourth Proportional to 36,451.80, 54,704.70 and 18,912.60

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Solution

The fourth proportional to 36,451.80, 54,704.70 and 18,912.60 is: 28,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,451.80 : 54,704.70 = 18,912.60 : x
  2. Step 2: Convert to fraction form
    36,451.80/54,704.70 = 18,912.60/x
  3. Step 3: Cross multiply
    36,451.80x = 54,704.70 × 18,912.60
  4. Step 4: Simplify right side
    36,451.80x = 1,034,608,109.22
  5. Step 5: Solve for x
    x = 1,034,608,109.22/36,451.80
  6. Step 6: Final answer
    x = 28,382.91

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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.