Home / 20,584.78-30,878.99-5,793.83

Finding the Fourth Proportional to 20,584.78, 30,878.99 and 5,793.83

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Solution

The fourth proportional to 20,584.78, 30,878.99 and 5,793.83 is: 8,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.78 : 30,878.99 = 5,793.83 : x
  2. Step 2: Convert to fraction form
    20,584.78/30,878.99 = 5,793.83/x
  3. Step 3: Cross multiply
    20,584.78x = 30,878.99 × 5,793.83
  4. Step 4: Simplify right side
    20,584.78x = 178,907,464.24
  5. Step 5: Solve for x
    x = 178,907,464.24/20,584.78
  6. Step 6: Final answer
    x = 8,691.25

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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.