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Finding the Fourth Proportional to 43,993.62, 60,629.76 and 31,247.37

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Solution

The fourth proportional to 43,993.62, 60,629.76 and 31,247.37 is: 43,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,993.62 : 60,629.76 = 31,247.37 : x
  2. Step 2: Convert to fraction form
    43,993.62/60,629.76 = 31,247.37/x
  3. Step 3: Cross multiply
    43,993.62x = 60,629.76 × 31,247.37
  4. Step 4: Simplify right side
    43,993.62x = 1,894,520,543.73
  5. Step 5: Solve for x
    x = 1,894,520,543.73/43,993.62
  6. Step 6: Final answer
    x = 43,063.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.