Home / 54,933.78-82,408.56-16,986.00

Finding the Fourth Proportional to 54,933.78, 82,408.56 and 16,986.00

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Solution

The fourth proportional to 54,933.78, 82,408.56 and 16,986.00 is: 25,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,933.78 : 82,408.56 = 16,986.00 : x
  2. Step 2: Convert to fraction form
    54,933.78/82,408.56 = 16,986.00/x
  3. Step 3: Cross multiply
    54,933.78x = 82,408.56 × 16,986.00
  4. Step 4: Simplify right side
    54,933.78x = 1,399,792,006.18
  5. Step 5: Solve for x
    x = 1,399,792,006.18/54,933.78
  6. Step 6: Final answer
    x = 25,481.44

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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.