Home / 33,812.39-50,728.30-10,121.71

Finding the Fourth Proportional to 33,812.39, 50,728.30 and 10,121.71

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Solution

The fourth proportional to 33,812.39, 50,728.30 and 10,121.71 is: 15,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,812.39 : 50,728.30 = 10,121.71 : x
  2. Step 2: Convert to fraction form
    33,812.39/50,728.30 = 10,121.71/x
  3. Step 3: Cross multiply
    33,812.39x = 50,728.30 × 10,121.71
  4. Step 4: Simplify right side
    33,812.39x = 513,457,112.85
  5. Step 5: Solve for x
    x = 513,457,112.85/33,812.39
  6. Step 6: Final answer
    x = 15,185.47

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1.5x scale

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.