Home / 31,895.57-47,843.79-12,175.19

Finding the Fourth Proportional to 31,895.57, 47,843.79 and 12,175.19

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Solution

The fourth proportional to 31,895.57, 47,843.79 and 12,175.19 is: 18,262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,895.57 : 47,843.79 = 12,175.19 : x
  2. Step 2: Convert to fraction form
    31,895.57/47,843.79 = 12,175.19/x
  3. Step 3: Cross multiply
    31,895.57x = 47,843.79 × 12,175.19
  4. Step 4: Simplify right side
    31,895.57x = 582,507,233.57
  5. Step 5: Solve for x
    x = 582,507,233.57/31,895.57
  6. Step 6: Final answer
    x = 18,262.95

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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.