Home / 33,991.22-50,979.14-12,923.75

Finding the Fourth Proportional to 33,991.22, 50,979.14 and 12,923.75

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Solution

The fourth proportional to 33,991.22, 50,979.14 and 12,923.75 is: 19,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.22 : 50,979.14 = 12,923.75 : x
  2. Step 2: Convert to fraction form
    33,991.22/50,979.14 = 12,923.75/x
  3. Step 3: Cross multiply
    33,991.22x = 50,979.14 × 12,923.75
  4. Step 4: Simplify right side
    33,991.22x = 658,841,476.53
  5. Step 5: Solve for x
    x = 658,841,476.53/33,991.22
  6. Step 6: Final answer
    x = 19,382.70

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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.