Home / 33,299.40-49,884.30-20,112.60

Finding the Fourth Proportional to 33,299.40, 49,884.30 and 20,112.60

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Solution

The fourth proportional to 33,299.40, 49,884.30 and 20,112.60 is: 30,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,299.40 : 49,884.30 = 20,112.60 : x
  2. Step 2: Convert to fraction form
    33,299.40/49,884.30 = 20,112.60/x
  3. Step 3: Cross multiply
    33,299.40x = 49,884.30 × 20,112.60
  4. Step 4: Simplify right side
    33,299.40x = 1,003,302,972.18
  5. Step 5: Solve for x
    x = 1,003,302,972.18/33,299.40
  6. Step 6: Final answer
    x = 30,129.76

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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.