Home / 40,910.62-61,411.48-21,183.88

Finding the Fourth Proportional to 40,910.62, 61,411.48 and 21,183.88

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Solution

The fourth proportional to 40,910.62, 61,411.48 and 21,183.88 is: 31,799.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,910.62 : 61,411.48 = 21,183.88 : x
  2. Step 2: Convert to fraction form
    40,910.62/61,411.48 = 21,183.88/x
  3. Step 3: Cross multiply
    40,910.62x = 61,411.48 × 21,183.88
  4. Step 4: Simplify right side
    40,910.62x = 1,300,933,422.94
  5. Step 5: Solve for x
    x = 1,300,933,422.94/40,910.62
  6. Step 6: Final answer
    x = 31,799.41

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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.