Home / 20,441.81-30,662.64-5,650.70

Finding the Fourth Proportional to 20,441.81, 30,662.64 and 5,650.70

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Solution

The fourth proportional to 20,441.81, 30,662.64 and 5,650.70 is: 8,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.81 : 30,662.64 = 5,650.70 : x
  2. Step 2: Convert to fraction form
    20,441.81/30,662.64 = 5,650.70/x
  3. Step 3: Cross multiply
    20,441.81x = 30,662.64 × 5,650.70
  4. Step 4: Simplify right side
    20,441.81x = 173,265,379.85
  5. Step 5: Solve for x
    x = 173,265,379.85/20,441.81
  6. Step 6: Final answer
    x = 8,476.03

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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.