Home / 33,316.05-49,974.48-18,618.60

Finding the Fourth Proportional to 33,316.05, 49,974.48 and 18,618.60

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Solution

The fourth proportional to 33,316.05, 49,974.48 and 18,618.60 is: 27,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316.05 : 49,974.48 = 18,618.60 : x
  2. Step 2: Convert to fraction form
    33,316.05/49,974.48 = 18,618.60/x
  3. Step 3: Cross multiply
    33,316.05x = 49,974.48 × 18,618.60
  4. Step 4: Simplify right side
    33,316.05x = 930,454,853.33
  5. Step 5: Solve for x
    x = 930,454,853.33/33,316.05
  6. Step 6: Final answer
    x = 27,928.13

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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.