Home / 41,134.67-61,619.79-18,917.60

Finding the Fourth Proportional to 41,134.67, 61,619.79 and 18,917.60

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Solution

The fourth proportional to 41,134.67, 61,619.79 and 18,917.60 is: 28,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,134.67 : 61,619.79 = 18,917.60 : x
  2. Step 2: Convert to fraction form
    41,134.67/61,619.79 = 18,917.60/x
  3. Step 3: Cross multiply
    41,134.67x = 61,619.79 × 18,917.60
  4. Step 4: Simplify right side
    41,134.67x = 1,165,698,539.30
  5. Step 5: Solve for x
    x = 1,165,698,539.30/41,134.67
  6. Step 6: Final answer
    x = 28,338.59

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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.