Home / 43,912.72-65,878.19-17,619.51

Finding the Fourth Proportional to 43,912.72, 65,878.19 and 17,619.51

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Solution

The fourth proportional to 43,912.72, 65,878.19 and 17,619.51 is: 26,432.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,912.72 : 65,878.19 = 17,619.51 : x
  2. Step 2: Convert to fraction form
    43,912.72/65,878.19 = 17,619.51/x
  3. Step 3: Cross multiply
    43,912.72x = 65,878.19 × 17,619.51
  4. Step 4: Simplify right side
    43,912.72x = 1,160,741,751.62
  5. Step 5: Solve for x
    x = 1,160,741,751.62/43,912.72
  6. Step 6: Final answer
    x = 26,432.93

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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.