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Finding the Fourth Proportional to 49,773.88, 68,676 and 28,258.84

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Solution

The fourth proportional to 49,773.88, 68,676 and 28,258.84 is: 38,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,773.88 : 68,676 = 28,258.84 : x
  2. Step 2: Convert to fraction form
    49,773.88/68,676 = 28,258.84/x
  3. Step 3: Cross multiply
    49,773.88x = 68,676 × 28,258.84
  4. Step 4: Simplify right side
    49,773.88x = 1,940,704,095.84
  5. Step 5: Solve for x
    x = 1,940,704,095.84/49,773.88
  6. Step 6: Final answer
    x = 38,990.41

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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.