Home / 49,761.06-68,676.56-28,539.88

Finding the Fourth Proportional to 49,761.06, 68,676.56 and 28,539.88

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Solution

The fourth proportional to 49,761.06, 68,676.56 and 28,539.88 is: 39,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,761.06 : 68,676.56 = 28,539.88 : x
  2. Step 2: Convert to fraction form
    49,761.06/68,676.56 = 28,539.88/x
  3. Step 3: Cross multiply
    49,761.06x = 68,676.56 × 28,539.88
  4. Step 4: Simplify right side
    49,761.06x = 1,960,020,781.21
  5. Step 5: Solve for x
    x = 1,960,020,781.21/49,761.06
  6. Step 6: Final answer
    x = 39,388.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.