Home / 36,121.72-54,187.77-11,163.95

Finding the Fourth Proportional to 36,121.72, 54,187.77 and 11,163.95

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Solution

The fourth proportional to 36,121.72, 54,187.77 and 11,163.95 is: 16,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121.72 : 54,187.77 = 11,163.95 : x
  2. Step 2: Convert to fraction form
    36,121.72/54,187.77 = 11,163.95/x
  3. Step 3: Cross multiply
    36,121.72x = 54,187.77 × 11,163.95
  4. Step 4: Simplify right side
    36,121.72x = 604,949,595.08
  5. Step 5: Solve for x
    x = 604,949,595.08/36,121.72
  6. Step 6: Final answer
    x = 16,747.53

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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.