Home / 33,244.64-49,750-20,770.56

Finding the Fourth Proportional to 33,244.64, 49,750 and 20,770.56

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Solution

The fourth proportional to 33,244.64, 49,750 and 20,770.56 is: 31,082.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,244.64 : 49,750 = 20,770.56 : x
  2. Step 2: Convert to fraction form
    33,244.64/49,750 = 20,770.56/x
  3. Step 3: Cross multiply
    33,244.64x = 49,750 × 20,770.56
  4. Step 4: Simplify right side
    33,244.64x = 1,033,335,360.00
  5. Step 5: Solve for x
    x = 1,033,335,360.00/33,244.64
  6. Step 6: Final answer
    x = 31,082.77

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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.