Home / 41,120.20-61,644.30-27,929.80

Finding the Fourth Proportional to 41,120.20, 61,644.30 and 27,929.80

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Solution

The fourth proportional to 41,120.20, 61,644.30 and 27,929.80 is: 41,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,120.20 : 61,644.30 = 27,929.80 : x
  2. Step 2: Convert to fraction form
    41,120.20/61,644.30 = 27,929.80/x
  3. Step 3: Cross multiply
    41,120.20x = 61,644.30 × 27,929.80
  4. Step 4: Simplify right side
    41,120.20x = 1,721,712,970.14
  5. Step 5: Solve for x
    x = 1,721,712,970.14/41,120.20
  6. Step 6: Final answer
    x = 41,870.25

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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.