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Finding the Fourth Proportional to 50,964.42, 76,447.44 and 19,374.96

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Solution

The fourth proportional to 50,964.42, 76,447.44 and 19,374.96 is: 29,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,964.42 : 76,447.44 = 19,374.96 : x
  2. Step 2: Convert to fraction form
    50,964.42/76,447.44 = 19,374.96/x
  3. Step 3: Cross multiply
    50,964.42x = 76,447.44 × 19,374.96
  4. Step 4: Simplify right side
    50,964.42x = 1,481,166,092.10
  5. Step 5: Solve for x
    x = 1,481,166,092.10/50,964.42
  6. Step 6: Final answer
    x = 29,062.75

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Why These Related Problems?

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