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Finding the Fourth Proportional to 61,948.96, 85,487.36 and 33,654.08

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Solution

The fourth proportional to 61,948.96, 85,487.36 and 33,654.08 is: 46,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,948.96 : 85,487.36 = 33,654.08 : x
  2. Step 2: Convert to fraction form
    61,948.96/85,487.36 = 33,654.08/x
  3. Step 3: Cross multiply
    61,948.96x = 85,487.36 × 33,654.08
  4. Step 4: Simplify right side
    61,948.96x = 2,876,998,452.43
  5. Step 5: Solve for x
    x = 2,876,998,452.43/61,948.96
  6. Step 6: Final answer
    x = 46,441.43

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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.