Home / 20,350.69-30,530.42-6,310.43

Finding the Fourth Proportional to 20,350.69, 30,530.42 and 6,310.43

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Solution

The fourth proportional to 20,350.69, 30,530.42 and 6,310.43 is: 9,467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.69 : 30,530.42 = 6,310.43 : x
  2. Step 2: Convert to fraction form
    20,350.69/30,530.42 = 6,310.43/x
  3. Step 3: Cross multiply
    20,350.69x = 30,530.42 × 6,310.43
  4. Step 4: Simplify right side
    20,350.69x = 192,660,118.10
  5. Step 5: Solve for x
    x = 192,660,118.10/20,350.69
  6. Step 6: Final answer
    x = 9,467.01

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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.