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Finding the Fourth Proportional to 51,204, 76,818.96 and 14,268

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Solution

The fourth proportional to 51,204, 76,818.96 and 14,268 is: 21,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204 : 76,818.96 = 14,268 : x
  2. Step 2: Convert to fraction form
    51,204/76,818.96 = 14,268/x
  3. Step 3: Cross multiply
    51,204x = 76,818.96 × 14,268
  4. Step 4: Simplify right side
    51,204x = 1,096,052,921.28
  5. Step 5: Solve for x
    x = 1,096,052,921.28/51,204
  6. Step 6: Final answer
    x = 21,405.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.