Home / 33,261.60-49,867.44-20,111.28

Finding the Fourth Proportional to 33,261.60, 49,867.44 and 20,111.28

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Solution

The fourth proportional to 33,261.60, 49,867.44 and 20,111.28 is: 30,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,261.60 : 49,867.44 = 20,111.28 : x
  2. Step 2: Convert to fraction form
    33,261.60/49,867.44 = 20,111.28/x
  3. Step 3: Cross multiply
    33,261.60x = 49,867.44 × 20,111.28
  4. Step 4: Simplify right side
    33,261.60x = 1,002,898,048.72
  5. Step 5: Solve for x
    x = 1,002,898,048.72/33,261.60
  6. Step 6: Final answer
    x = 30,151.83

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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.