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Finding the Fourth Proportional to 41,373.99, 62,099.85 and 21,666.69

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Solution

The fourth proportional to 41,373.99, 62,099.85 and 21,666.69 is: 32,520.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,373.99 : 62,099.85 = 21,666.69 : x
  2. Step 2: Convert to fraction form
    41,373.99/62,099.85 = 21,666.69/x
  3. Step 3: Cross multiply
    41,373.99x = 62,099.85 × 21,666.69
  4. Step 4: Simplify right side
    41,373.99x = 1,345,498,199.00
  5. Step 5: Solve for x
    x = 1,345,498,199.00/41,373.99
  6. Step 6: Final answer
    x = 32,520.39

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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.