Home / 36,909.73-55,350.92-11,943.30

Finding the Fourth Proportional to 36,909.73, 55,350.92 and 11,943.30

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Solution

The fourth proportional to 36,909.73, 55,350.92 and 11,943.30 is: 17,910.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909.73 : 55,350.92 = 11,943.30 : x
  2. Step 2: Convert to fraction form
    36,909.73/55,350.92 = 11,943.30/x
  3. Step 3: Cross multiply
    36,909.73x = 55,350.92 × 11,943.30
  4. Step 4: Simplify right side
    36,909.73x = 661,072,672.69
  5. Step 5: Solve for x
    x = 661,072,672.69/36,909.73
  6. Step 6: Final answer
    x = 17,910.53

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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.