Home / 33,261.78-49,902-13,554.48

Finding the Fourth Proportional to 33,261.78, 49,902 and 13,554.48

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Solution

The fourth proportional to 33,261.78, 49,902 and 13,554.48 is: 20,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,261.78 : 49,902 = 13,554.48 : x
  2. Step 2: Convert to fraction form
    33,261.78/49,902 = 13,554.48/x
  3. Step 3: Cross multiply
    33,261.78x = 49,902 × 13,554.48
  4. Step 4: Simplify right side
    33,261.78x = 676,395,660.96
  5. Step 5: Solve for x
    x = 676,395,660.96/33,261.78
  6. Step 6: Final answer
    x = 20,335.52

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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.