Home / 33,821.88-50,732.78-13,567.79

Finding the Fourth Proportional to 33,821.88, 50,732.78 and 13,567.79

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Solution

The fourth proportional to 33,821.88, 50,732.78 and 13,567.79 is: 20,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,821.88 : 50,732.78 = 13,567.79 : x
  2. Step 2: Convert to fraction form
    33,821.88/50,732.78 = 13,567.79/x
  3. Step 3: Cross multiply
    33,821.88x = 50,732.78 × 13,567.79
  4. Step 4: Simplify right side
    33,821.88x = 688,331,383.65
  5. Step 5: Solve for x
    x = 688,331,383.65/33,821.88
  6. Step 6: Final answer
    x = 20,351.66

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1.5x scale

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.