Home / 33,153.76-49,723.42-10,961.88

Finding the Fourth Proportional to 33,153.76, 49,723.42 and 10,961.88

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Solution

The fourth proportional to 33,153.76, 49,723.42 and 10,961.88 is: 16,440.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,153.76 : 49,723.42 = 10,961.88 : x
  2. Step 2: Convert to fraction form
    33,153.76/49,723.42 = 10,961.88/x
  3. Step 3: Cross multiply
    33,153.76x = 49,723.42 × 10,961.88
  4. Step 4: Simplify right side
    33,153.76x = 545,062,163.23
  5. Step 5: Solve for x
    x = 545,062,163.23/33,153.76
  6. Step 6: Final answer
    x = 16,440.43

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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.