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Finding the Fourth Proportional to 61,144.31, 84,343.31 and 38,447.33

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Solution

The fourth proportional to 61,144.31, 84,343.31 and 38,447.33 is: 53,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,144.31 : 84,343.31 = 38,447.33 : x
  2. Step 2: Convert to fraction form
    61,144.31/84,343.31 = 38,447.33/x
  3. Step 3: Cross multiply
    61,144.31x = 84,343.31 × 38,447.33
  4. Step 4: Simplify right side
    61,144.31x = 3,242,774,458.91
  5. Step 5: Solve for x
    x = 3,242,774,458.91/61,144.31
  6. Step 6: Final answer
    x = 53,034.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.