Home / 49,982.03-68,964.09-28,761.30

Finding the Fourth Proportional to 49,982.03, 68,964.09 and 28,761.30

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Solution

The fourth proportional to 49,982.03, 68,964.09 and 28,761.30 is: 39,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,982.03 : 68,964.09 = 28,761.30 : x
  2. Step 2: Convert to fraction form
    49,982.03/68,964.09 = 28,761.30/x
  3. Step 3: Cross multiply
    49,982.03x = 68,964.09 × 28,761.30
  4. Step 4: Simplify right side
    49,982.03x = 1,983,496,536.90
  5. Step 5: Solve for x
    x = 1,983,496,536.90/49,982.03
  6. Step 6: Final answer
    x = 39,684.19

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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.