Home / 39,936.96-59,910.76-13,634.64

Finding the Fourth Proportional to 39,936.96, 59,910.76 and 13,634.64

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Solution

The fourth proportional to 39,936.96, 59,910.76 and 13,634.64 is: 20,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936.96 : 59,910.76 = 13,634.64 : x
  2. Step 2: Convert to fraction form
    39,936.96/59,910.76 = 13,634.64/x
  3. Step 3: Cross multiply
    39,936.96x = 59,910.76 × 13,634.64
  4. Step 4: Simplify right side
    39,936.96x = 816,861,644.73
  5. Step 5: Solve for x
    x = 816,861,644.73/39,936.96
  6. Step 6: Final answer
    x = 20,453.78

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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.