Home / 20,028.62-30,039.46-6,700.68

Finding the Fourth Proportional to 20,028.62, 30,039.46 and 6,700.68

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Solution

The fourth proportional to 20,028.62, 30,039.46 and 6,700.68 is: 10,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.62 : 30,039.46 = 6,700.68 : x
  2. Step 2: Convert to fraction form
    20,028.62/30,039.46 = 6,700.68/x
  3. Step 3: Cross multiply
    20,028.62x = 30,039.46 × 6,700.68
  4. Step 4: Simplify right side
    20,028.62x = 201,284,792.08
  5. Step 5: Solve for x
    x = 201,284,792.08/20,028.62
  6. Step 6: Final answer
    x = 10,049.86

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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.