Home / 33,717.20-50,562.63-12,645.72

Finding the Fourth Proportional to 33,717.20, 50,562.63 and 12,645.72

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Solution

The fourth proportional to 33,717.20, 50,562.63 and 12,645.72 is: 18,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,717.20 : 50,562.63 = 12,645.72 : x
  2. Step 2: Convert to fraction form
    33,717.20/50,562.63 = 12,645.72/x
  3. Step 3: Cross multiply
    33,717.20x = 50,562.63 × 12,645.72
  4. Step 4: Simplify right side
    33,717.20x = 639,400,861.44
  5. Step 5: Solve for x
    x = 639,400,861.44/33,717.20
  6. Step 6: Final answer
    x = 18,963.64

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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.