Home / 31,738.37-47,591.15-13,961.70

Finding the Fourth Proportional to 31,738.37, 47,591.15 and 13,961.70

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Solution

The fourth proportional to 31,738.37, 47,591.15 and 13,961.70 is: 20,935.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,738.37 : 47,591.15 = 13,961.70 : x
  2. Step 2: Convert to fraction form
    31,738.37/47,591.15 = 13,961.70/x
  3. Step 3: Cross multiply
    31,738.37x = 47,591.15 × 13,961.70
  4. Step 4: Simplify right side
    31,738.37x = 664,453,289.15
  5. Step 5: Solve for x
    x = 664,453,289.15/31,738.37
  6. Step 6: Final answer
    x = 20,935.33

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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.