Home / 31,960.20-47,917.66-12,222.12

Finding the Fourth Proportional to 31,960.20, 47,917.66 and 12,222.12

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Solution

The fourth proportional to 31,960.20, 47,917.66 and 12,222.12 is: 18,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,960.20 : 47,917.66 = 12,222.12 : x
  2. Step 2: Convert to fraction form
    31,960.20/47,917.66 = 12,222.12/x
  3. Step 3: Cross multiply
    31,960.20x = 47,917.66 × 12,222.12
  4. Step 4: Simplify right side
    31,960.20x = 585,655,390.64
  5. Step 5: Solve for x
    x = 585,655,390.64/31,960.20
  6. Step 6: Final answer
    x = 18,324.52

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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.