Home / 31,654.73-47,489.11-11,933.46

Finding the Fourth Proportional to 31,654.73, 47,489.11 and 11,933.46

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Solution

The fourth proportional to 31,654.73, 47,489.11 and 11,933.46 is: 17,902.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654.73 : 47,489.11 = 11,933.46 : x
  2. Step 2: Convert to fraction form
    31,654.73/47,489.11 = 11,933.46/x
  3. Step 3: Cross multiply
    31,654.73x = 47,489.11 × 11,933.46
  4. Step 4: Simplify right side
    31,654.73x = 566,709,394.62
  5. Step 5: Solve for x
    x = 566,709,394.62/31,654.73
  6. Step 6: Final answer
    x = 17,902.83

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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.