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Finding the Fourth Proportional to 44,310.83, 66,310.20 and 27,678.69

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Solution

The fourth proportional to 44,310.83, 66,310.20 and 27,678.69 is: 41,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,310.83 : 66,310.20 = 27,678.69 : x
  2. Step 2: Convert to fraction form
    44,310.83/66,310.20 = 27,678.69/x
  3. Step 3: Cross multiply
    44,310.83x = 66,310.20 × 27,678.69
  4. Step 4: Simplify right side
    44,310.83x = 1,835,379,469.64
  5. Step 5: Solve for x
    x = 1,835,379,469.64/44,310.83
  6. Step 6: Final answer
    x = 41,420.57

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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.