Home / 33,003.40-49,512.78-10,815.43

Finding the Fourth Proportional to 33,003.40, 49,512.78 and 10,815.43

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Solution

The fourth proportional to 33,003.40, 49,512.78 and 10,815.43 is: 16,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,003.40 : 49,512.78 = 10,815.43 : x
  2. Step 2: Convert to fraction form
    33,003.40/49,512.78 = 10,815.43/x
  3. Step 3: Cross multiply
    33,003.40x = 49,512.78 × 10,815.43
  4. Step 4: Simplify right side
    33,003.40x = 535,502,006.20
  5. Step 5: Solve for x
    x = 535,502,006.20/33,003.40
  6. Step 6: Final answer
    x = 16,225.66

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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.