Home / 36,235.20-54,352.25-12,559.98

Finding the Fourth Proportional to 36,235.20, 54,352.25 and 12,559.98

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Solution

The fourth proportional to 36,235.20, 54,352.25 and 12,559.98 is: 18,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,235.20 : 54,352.25 = 12,559.98 : x
  2. Step 2: Convert to fraction form
    36,235.20/54,352.25 = 12,559.98/x
  3. Step 3: Cross multiply
    36,235.20x = 54,352.25 × 12,559.98
  4. Step 4: Simplify right side
    36,235.20x = 682,662,932.59
  5. Step 5: Solve for x
    x = 682,662,932.59/36,235.20
  6. Step 6: Final answer
    x = 18,839.78

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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.