Home / 66,654.06-91,982.82-36,439.74

Finding the Fourth Proportional to 66,654.06, 91,982.82 and 36,439.74

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Solution

The fourth proportional to 66,654.06, 91,982.82 and 36,439.74 is: 50,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,654.06 : 91,982.82 = 36,439.74 : x
  2. Step 2: Convert to fraction form
    66,654.06/91,982.82 = 36,439.74/x
  3. Step 3: Cross multiply
    66,654.06x = 91,982.82 × 36,439.74
  4. Step 4: Simplify right side
    66,654.06x = 3,351,830,045.27
  5. Step 5: Solve for x
    x = 3,351,830,045.27/66,654.06
  6. Step 6: Final answer
    x = 50,286.96

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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.