Home / 33,150.62-49,728.66-14,431.28

Finding the Fourth Proportional to 33,150.62, 49,728.66 and 14,431.28

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Solution

The fourth proportional to 33,150.62, 49,728.66 and 14,431.28 is: 21,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,150.62 : 49,728.66 = 14,431.28 : x
  2. Step 2: Convert to fraction form
    33,150.62/49,728.66 = 14,431.28/x
  3. Step 3: Cross multiply
    33,150.62x = 49,728.66 × 14,431.28
  4. Step 4: Simplify right side
    33,150.62x = 717,648,216.48
  5. Step 5: Solve for x
    x = 717,648,216.48/33,150.62
  6. Step 6: Final answer
    x = 21,648.11

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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.