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Finding the Fourth Proportional to 41,511, 62,265.84 and 19,311.96

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Solution

The fourth proportional to 41,511, 62,265.84 and 19,311.96 is: 28,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,511 : 62,265.84 = 19,311.96 : x
  2. Step 2: Convert to fraction form
    41,511/62,265.84 = 19,311.96/x
  3. Step 3: Cross multiply
    41,511x = 62,265.84 × 19,311.96
  4. Step 4: Simplify right side
    41,511x = 1,202,475,411.45
  5. Step 5: Solve for x
    x = 1,202,475,411.45/41,511
  6. Step 6: Final answer
    x = 28,967.63

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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.