Home / 33,608.40-50,418.08-12,555.80

Finding the Fourth Proportional to 33,608.40, 50,418.08 and 12,555.80

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Solution

The fourth proportional to 33,608.40, 50,418.08 and 12,555.80 is: 18,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,608.40 : 50,418.08 = 12,555.80 : x
  2. Step 2: Convert to fraction form
    33,608.40/50,418.08 = 12,555.80/x
  3. Step 3: Cross multiply
    33,608.40x = 50,418.08 × 12,555.80
  4. Step 4: Simplify right side
    33,608.40x = 633,039,013.99
  5. Step 5: Solve for x
    x = 633,039,013.99/33,608.40
  6. Step 6: Final answer
    x = 18,835.74

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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.