Home / 31,974.24-47,958.12-8,603.04

Finding the Fourth Proportional to 31,974.24, 47,958.12 and 8,603.04

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Solution

The fourth proportional to 31,974.24, 47,958.12 and 8,603.04 is: 12,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.24 : 47,958.12 = 8,603.04 : x
  2. Step 2: Convert to fraction form
    31,974.24/47,958.12 = 8,603.04/x
  3. Step 3: Cross multiply
    31,974.24x = 47,958.12 × 8,603.04
  4. Step 4: Simplify right side
    31,974.24x = 412,585,624.68
  5. Step 5: Solve for x
    x = 412,585,624.68/31,974.24
  6. Step 6: Final answer
    x = 12,903.69

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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.