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Finding the Fourth Proportional to 66,665.52, 92,008.08 and 38,370.96

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Solution

The fourth proportional to 66,665.52, 92,008.08 and 38,370.96 is: 52,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,665.52 : 92,008.08 = 38,370.96 : x
  2. Step 2: Convert to fraction form
    66,665.52/92,008.08 = 38,370.96/x
  3. Step 3: Cross multiply
    66,665.52x = 92,008.08 × 38,370.96
  4. Step 4: Simplify right side
    66,665.52x = 3,530,438,357.36
  5. Step 5: Solve for x
    x = 3,530,438,357.36/66,665.52
  6. Step 6: Final answer
    x = 52,957.49

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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.