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Finding the Fourth Proportional to 41,473.80, 62,213.94 and 20,425.14

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Solution

The fourth proportional to 41,473.80, 62,213.94 and 20,425.14 is: 30,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,473.80 : 62,213.94 = 20,425.14 : x
  2. Step 2: Convert to fraction form
    41,473.80/62,213.94 = 20,425.14/x
  3. Step 3: Cross multiply
    41,473.80x = 62,213.94 × 20,425.14
  4. Step 4: Simplify right side
    41,473.80x = 1,270,728,434.45
  5. Step 5: Solve for x
    x = 1,270,728,434.45/41,473.80
  6. Step 6: Final answer
    x = 30,639.31

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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.