Home / 36,469.18-54,703.76-28,161.31

Finding the Fourth Proportional to 36,469.18, 54,703.76 and 28,161.31

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Solution

The fourth proportional to 36,469.18, 54,703.76 and 28,161.31 is: 42,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,469.18 : 54,703.76 = 28,161.31 : x
  2. Step 2: Convert to fraction form
    36,469.18/54,703.76 = 28,161.31/x
  3. Step 3: Cross multiply
    36,469.18x = 54,703.76 × 28,161.31
  4. Step 4: Simplify right side
    36,469.18x = 1,540,529,129.20
  5. Step 5: Solve for x
    x = 1,540,529,129.20/36,469.18
  6. Step 6: Final answer
    x = 42,241.95

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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.