Home / 33,812.20-50,718.30-31,997.80

Finding the Fourth Proportional to 33,812.20, 50,718.30 and 31,997.80

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Solution

The fourth proportional to 33,812.20, 50,718.30 and 31,997.80 is: 47,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,812.20 : 50,718.30 = 31,997.80 : x
  2. Step 2: Convert to fraction form
    33,812.20/50,718.30 = 31,997.80/x
  3. Step 3: Cross multiply
    33,812.20x = 50,718.30 × 31,997.80
  4. Step 4: Simplify right side
    33,812.20x = 1,622,874,019.74
  5. Step 5: Solve for x
    x = 1,622,874,019.74/33,812.20
  6. Step 6: Final answer
    x = 47,996.70

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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.