Home / 41,984.78-62,986.44-13,913.60

Finding the Fourth Proportional to 41,984.78, 62,986.44 and 13,913.60

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Solution

The fourth proportional to 41,984.78, 62,986.44 and 13,913.60 is: 20,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,984.78 : 62,986.44 = 13,913.60 : x
  2. Step 2: Convert to fraction form
    41,984.78/62,986.44 = 13,913.60/x
  3. Step 3: Cross multiply
    41,984.78x = 62,986.44 × 13,913.60
  4. Step 4: Simplify right side
    41,984.78x = 876,368,131.58
  5. Step 5: Solve for x
    x = 876,368,131.58/41,984.78
  6. Step 6: Final answer
    x = 20,873.47

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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.