Home / 49,912.40-68,886.06-28,691.22

Finding the Fourth Proportional to 49,912.40, 68,886.06 and 28,691.22

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Solution

The fourth proportional to 49,912.40, 68,886.06 and 28,691.22 is: 39,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,912.40 : 68,886.06 = 28,691.22 : x
  2. Step 2: Convert to fraction form
    49,912.40/68,886.06 = 28,691.22/x
  3. Step 3: Cross multiply
    49,912.40x = 68,886.06 × 28,691.22
  4. Step 4: Simplify right side
    49,912.40x = 1,976,425,102.39
  5. Step 5: Solve for x
    x = 1,976,425,102.39/49,912.40
  6. Step 6: Final answer
    x = 39,597.88

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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.