Home / 33,255.31-49,894.79-20,760.91

Finding the Fourth Proportional to 33,255.31, 49,894.79 and 20,760.91

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Solution

The fourth proportional to 33,255.31, 49,894.79 and 20,760.91 is: 31,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,255.31 : 49,894.79 = 20,760.91 : x
  2. Step 2: Convert to fraction form
    33,255.31/49,894.79 = 20,760.91/x
  3. Step 3: Cross multiply
    33,255.31x = 49,894.79 × 20,760.91
  4. Step 4: Simplify right side
    33,255.31x = 1,035,861,016.12
  5. Step 5: Solve for x
    x = 1,035,861,016.12/33,255.31
  6. Step 6: Final answer
    x = 31,148.74

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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.