Home / 31,906.94-47,867.33-9,719.74

Finding the Fourth Proportional to 31,906.94, 47,867.33 and 9,719.74

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Solution

The fourth proportional to 31,906.94, 47,867.33 and 9,719.74 is: 14,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906.94 : 47,867.33 = 9,719.74 : x
  2. Step 2: Convert to fraction form
    31,906.94/47,867.33 = 9,719.74/x
  3. Step 3: Cross multiply
    31,906.94x = 47,867.33 × 9,719.74
  4. Step 4: Simplify right side
    31,906.94x = 465,257,906.73
  5. Step 5: Solve for x
    x = 465,257,906.73/31,906.94
  6. Step 6: Final answer
    x = 14,581.71

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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.