Home / 20,049.62-30,072.68-6,012.78

Finding the Fourth Proportional to 20,049.62, 30,072.68 and 6,012.78

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Solution

The fourth proportional to 20,049.62, 30,072.68 and 6,012.78 is: 9,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.62 : 30,072.68 = 6,012.78 : x
  2. Step 2: Convert to fraction form
    20,049.62/30,072.68 = 6,012.78/x
  3. Step 3: Cross multiply
    20,049.62x = 30,072.68 × 6,012.78
  4. Step 4: Simplify right side
    20,049.62x = 180,820,378.79
  5. Step 5: Solve for x
    x = 180,820,378.79/20,049.62
  6. Step 6: Final answer
    x = 9,018.64

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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.