Home / 35,481.25-53,221.88-12,107.70

Finding the Fourth Proportional to 35,481.25, 53,221.88 and 12,107.70

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Solution

The fourth proportional to 35,481.25, 53,221.88 and 12,107.70 is: 18,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,481.25 : 53,221.88 = 12,107.70 : x
  2. Step 2: Convert to fraction form
    35,481.25/53,221.88 = 12,107.70/x
  3. Step 3: Cross multiply
    35,481.25x = 53,221.88 × 12,107.70
  4. Step 4: Simplify right side
    35,481.25x = 644,394,556.48
  5. Step 5: Solve for x
    x = 644,394,556.48/35,481.25
  6. Step 6: Final answer
    x = 18,161.55

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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.