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Finding the Fourth Proportional to 49,296.50, 73,962.03 and 21,596.66

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Solution

The fourth proportional to 49,296.50, 73,962.03 and 21,596.66 is: 32,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,296.50 : 73,962.03 = 21,596.66 : x
  2. Step 2: Convert to fraction form
    49,296.50/73,962.03 = 21,596.66/x
  3. Step 3: Cross multiply
    49,296.50x = 73,962.03 × 21,596.66
  4. Step 4: Simplify right side
    49,296.50x = 1,597,332,814.82
  5. Step 5: Solve for x
    x = 1,597,332,814.82/49,296.50
  6. Step 6: Final answer
    x = 32,402.56

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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.