Home / 33,612.20-50,418.30-31,425.20

Finding the Fourth Proportional to 33,612.20, 50,418.30 and 31,425.20

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Solution

The fourth proportional to 33,612.20, 50,418.30 and 31,425.20 is: 47,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,612.20 : 50,418.30 = 31,425.20 : x
  2. Step 2: Convert to fraction form
    33,612.20/50,418.30 = 31,425.20/x
  3. Step 3: Cross multiply
    33,612.20x = 50,418.30 × 31,425.20
  4. Step 4: Simplify right side
    33,612.20x = 1,584,405,161.16
  5. Step 5: Solve for x
    x = 1,584,405,161.16/33,612.20
  6. Step 6: Final answer
    x = 47,137.80

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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.