Home / 30,299.62-41,769.62-20,073.54

Finding the Fourth Proportional to 30,299.62, 41,769.62 and 20,073.54

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Solution

The fourth proportional to 30,299.62, 41,769.62 and 20,073.54 is: 27,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.62 : 41,769.62 = 20,073.54 : x
  2. Step 2: Convert to fraction form
    30,299.62/41,769.62 = 20,073.54/x
  3. Step 3: Cross multiply
    30,299.62x = 41,769.62 × 20,073.54
  4. Step 4: Simplify right side
    30,299.62x = 838,464,137.85
  5. Step 5: Solve for x
    x = 838,464,137.85/30,299.62
  6. Step 6: Final answer
    x = 27,672.43

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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.