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Finding the Fourth Proportional to 58,136.63, 80,229.55 and 32,644.41

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Solution

The fourth proportional to 58,136.63, 80,229.55 and 32,644.41 is: 45,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,136.63 : 80,229.55 = 32,644.41 : x
  2. Step 2: Convert to fraction form
    58,136.63/80,229.55 = 32,644.41/x
  3. Step 3: Cross multiply
    58,136.63x = 80,229.55 × 32,644.41
  4. Step 4: Simplify right side
    58,136.63x = 2,619,046,324.32
  5. Step 5: Solve for x
    x = 2,619,046,324.32/58,136.63
  6. Step 6: Final answer
    x = 45,049.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.