Home / 30,286.68-41,797.62-16,857.78

Finding the Fourth Proportional to 30,286.68, 41,797.62 and 16,857.78

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Solution

The fourth proportional to 30,286.68, 41,797.62 and 16,857.78 is: 23,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.68 : 41,797.62 = 16,857.78 : x
  2. Step 2: Convert to fraction form
    30,286.68/41,797.62 = 16,857.78/x
  3. Step 3: Cross multiply
    30,286.68x = 41,797.62 × 16,857.78
  4. Step 4: Simplify right side
    30,286.68x = 704,615,082.48
  5. Step 5: Solve for x
    x = 704,615,082.48/30,286.68
  6. Step 6: Final answer
    x = 23,264.85

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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.