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Finding the Fourth Proportional to 36,644.34, 54,966.64 and 8,942.34

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Solution

The fourth proportional to 36,644.34, 54,966.64 and 8,942.34 is: 13,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,644.34 : 54,966.64 = 8,942.34 : x
  2. Step 2: Convert to fraction form
    36,644.34/54,966.64 = 8,942.34/x
  3. Step 3: Cross multiply
    36,644.34x = 54,966.64 × 8,942.34
  4. Step 4: Simplify right side
    36,644.34x = 491,530,383.54
  5. Step 5: Solve for x
    x = 491,530,383.54/36,644.34
  6. Step 6: Final answer
    x = 13,413.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.