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Finding the Fourth Proportional to 62,843.23, 86,757.24 and 38,990.35

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Solution

The fourth proportional to 62,843.23, 86,757.24 and 38,990.35 is: 53,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,843.23 : 86,757.24 = 38,990.35 : x
  2. Step 2: Convert to fraction form
    62,843.23/86,757.24 = 38,990.35/x
  3. Step 3: Cross multiply
    62,843.23x = 86,757.24 × 38,990.35
  4. Step 4: Simplify right side
    62,843.23x = 3,382,695,152.63
  5. Step 5: Solve for x
    x = 3,382,695,152.63/62,843.23
  6. Step 6: Final answer
    x = 53,827.52

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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.