Home / 33,207.15-49,797.50-12,142.38

Finding the Fourth Proportional to 33,207.15, 49,797.50 and 12,142.38

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Solution

The fourth proportional to 33,207.15, 49,797.50 and 12,142.38 is: 18,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,207.15 : 49,797.50 = 12,142.38 : x
  2. Step 2: Convert to fraction form
    33,207.15/49,797.50 = 12,142.38/x
  3. Step 3: Cross multiply
    33,207.15x = 49,797.50 × 12,142.38
  4. Step 4: Simplify right side
    33,207.15x = 604,660,107.34
  5. Step 5: Solve for x
    x = 604,660,107.34/33,207.15
  6. Step 6: Final answer
    x = 18,208.73

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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.