Home / 33,357.45-50,031.86-12,578.25

Finding the Fourth Proportional to 33,357.45, 50,031.86 and 12,578.25

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Solution

The fourth proportional to 33,357.45, 50,031.86 and 12,578.25 is: 18,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,357.45 : 50,031.86 = 12,578.25 : x
  2. Step 2: Convert to fraction form
    33,357.45/50,031.86 = 12,578.25/x
  3. Step 3: Cross multiply
    33,357.45x = 50,031.86 × 12,578.25
  4. Step 4: Simplify right side
    33,357.45x = 629,313,180.15
  5. Step 5: Solve for x
    x = 629,313,180.15/33,357.45
  6. Step 6: Final answer
    x = 18,865.75

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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.