Home / 33,270.75-49,878.18-13,563.45

Finding the Fourth Proportional to 33,270.75, 49,878.18 and 13,563.45

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Solution

The fourth proportional to 33,270.75, 49,878.18 and 13,563.45 is: 20,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,270.75 : 49,878.18 = 13,563.45 : x
  2. Step 2: Convert to fraction form
    33,270.75/49,878.18 = 13,563.45/x
  3. Step 3: Cross multiply
    33,270.75x = 49,878.18 × 13,563.45
  4. Step 4: Simplify right side
    33,270.75x = 676,520,200.52
  5. Step 5: Solve for x
    x = 676,520,200.52/33,270.75
  6. Step 6: Final answer
    x = 20,333.78

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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.