Home / 33,839.40-50,718.60-14,107.80

Finding the Fourth Proportional to 33,839.40, 50,718.60 and 14,107.80

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Solution

The fourth proportional to 33,839.40, 50,718.60 and 14,107.80 is: 21,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,839.40 : 50,718.60 = 14,107.80 : x
  2. Step 2: Convert to fraction form
    33,839.40/50,718.60 = 14,107.80/x
  3. Step 3: Cross multiply
    33,839.40x = 50,718.60 × 14,107.80
  4. Step 4: Simplify right side
    33,839.40x = 715,527,865.08
  5. Step 5: Solve for x
    x = 715,527,865.08/33,839.40
  6. Step 6: Final answer
    x = 21,144.82

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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.