Home / 31,936.44-47,904.66-12,221.04

Finding the Fourth Proportional to 31,936.44, 47,904.66 and 12,221.04

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Solution

The fourth proportional to 31,936.44, 47,904.66 and 12,221.04 is: 18,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,936.44 : 47,904.66 = 12,221.04 : x
  2. Step 2: Convert to fraction form
    31,936.44/47,904.66 = 12,221.04/x
  3. Step 3: Cross multiply
    31,936.44x = 47,904.66 × 12,221.04
  4. Step 4: Simplify right side
    31,936.44x = 585,444,766.05
  5. Step 5: Solve for x
    x = 585,444,766.05/31,936.44
  6. Step 6: Final answer
    x = 18,331.56

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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.