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Finding the Fourth Proportional to 61,425.45, 84,693.96 and 41,239.44

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Solution

The fourth proportional to 61,425.45, 84,693.96 and 41,239.44 is: 56,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,425.45 : 84,693.96 = 41,239.44 : x
  2. Step 2: Convert to fraction form
    61,425.45/84,693.96 = 41,239.44/x
  3. Step 3: Cross multiply
    61,425.45x = 84,693.96 × 41,239.44
  4. Step 4: Simplify right side
    61,425.45x = 3,492,731,481.78
  5. Step 5: Solve for x
    x = 3,492,731,481.78/61,425.45
  6. Step 6: Final answer
    x = 56,861.31

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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.