Home / 33,268.10-49,877.19-20,117.78

Finding the Fourth Proportional to 33,268.10, 49,877.19 and 20,117.78

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Solution

The fourth proportional to 33,268.10, 49,877.19 and 20,117.78 is: 30,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,268.10 : 49,877.19 = 20,117.78 : x
  2. Step 2: Convert to fraction form
    33,268.10/49,877.19 = 20,117.78/x
  3. Step 3: Cross multiply
    33,268.10x = 49,877.19 × 20,117.78
  4. Step 4: Simplify right side
    33,268.10x = 1,003,418,335.44
  5. Step 5: Solve for x
    x = 1,003,418,335.44/33,268.10
  6. Step 6: Final answer
    x = 30,161.58

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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.