Home / 20,566.78-30,850.17-4,984.41

Finding the Fourth Proportional to 20,566.78, 30,850.17 and 4,984.41

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Solution

The fourth proportional to 20,566.78, 30,850.17 and 4,984.41 is: 7,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.78 : 30,850.17 = 4,984.41 : x
  2. Step 2: Convert to fraction form
    20,566.78/30,850.17 = 4,984.41/x
  3. Step 3: Cross multiply
    20,566.78x = 30,850.17 × 4,984.41
  4. Step 4: Simplify right side
    20,566.78x = 153,769,895.85
  5. Step 5: Solve for x
    x = 153,769,895.85/20,566.78
  6. Step 6: Final answer
    x = 7,476.62

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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.