Home / 31,450.73-47,174.57-11,727.75

Finding the Fourth Proportional to 31,450.73, 47,174.57 and 11,727.75

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Solution

The fourth proportional to 31,450.73, 47,174.57 and 11,727.75 is: 17,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,450.73 : 47,174.57 = 11,727.75 : x
  2. Step 2: Convert to fraction form
    31,450.73/47,174.57 = 11,727.75/x
  3. Step 3: Cross multiply
    31,450.73x = 47,174.57 × 11,727.75
  4. Step 4: Simplify right side
    31,450.73x = 553,251,725.56
  5. Step 5: Solve for x
    x = 553,251,725.56/31,450.73
  6. Step 6: Final answer
    x = 17,591.06

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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.