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Finding the Fourth Proportional to 33,718.98, 50,491.96 and 32,721.22

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Solution

The fourth proportional to 33,718.98, 50,491.96 and 32,721.22 is: 48,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,718.98 : 50,491.96 = 32,721.22 : x
  2. Step 2: Convert to fraction form
    33,718.98/50,491.96 = 32,721.22/x
  3. Step 3: Cross multiply
    33,718.98x = 50,491.96 × 32,721.22
  4. Step 4: Simplify right side
    33,718.98x = 1,652,158,228.69
  5. Step 5: Solve for x
    x = 1,652,158,228.69/33,718.98
  6. Step 6: Final answer
    x = 48,997.87

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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.