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Finding the Fourth Proportional to 57,892.61, 79,890.09 and 32,052.31

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Solution

The fourth proportional to 57,892.61, 79,890.09 and 32,052.31 is: 44,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,892.61 : 79,890.09 = 32,052.31 : x
  2. Step 2: Convert to fraction form
    57,892.61/79,890.09 = 32,052.31/x
  3. Step 3: Cross multiply
    57,892.61x = 79,890.09 × 32,052.31
  4. Step 4: Simplify right side
    57,892.61x = 2,560,661,770.35
  5. Step 5: Solve for x
    x = 2,560,661,770.35/57,892.61
  6. Step 6: Final answer
    x = 44,231.24

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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.