Home / 33,131.88-49,698.12-9,439.41

Finding the Fourth Proportional to 33,131.88, 49,698.12 and 9,439.41

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Solution

The fourth proportional to 33,131.88, 49,698.12 and 9,439.41 is: 14,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,131.88 : 49,698.12 = 9,439.41 : x
  2. Step 2: Convert to fraction form
    33,131.88/49,698.12 = 9,439.41/x
  3. Step 3: Cross multiply
    33,131.88x = 49,698.12 × 9,439.41
  4. Step 4: Simplify right side
    33,131.88x = 469,120,930.91
  5. Step 5: Solve for x
    x = 469,120,930.91/33,131.88
  6. Step 6: Final answer
    x = 14,159.20

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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.