Home / 33,745.08-50,628.10-12,687

Finding the Fourth Proportional to 33,745.08, 50,628.10 and 12,687

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Solution

The fourth proportional to 33,745.08, 50,628.10 and 12,687 is: 19,034.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,745.08 : 50,628.10 = 12,687 : x
  2. Step 2: Convert to fraction form
    33,745.08/50,628.10 = 12,687/x
  3. Step 3: Cross multiply
    33,745.08x = 50,628.10 × 12,687
  4. Step 4: Simplify right side
    33,745.08x = 642,318,704.70
  5. Step 5: Solve for x
    x = 642,318,704.70/33,745.08
  6. Step 6: Final answer
    x = 19,034.44

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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.