Home / 43,976.72-65,968.24-15,913.44

Finding the Fourth Proportional to 43,976.72, 65,968.24 and 15,913.44

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Solution

The fourth proportional to 43,976.72, 65,968.24 and 15,913.44 is: 23,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,976.72 : 65,968.24 = 15,913.44 : x
  2. Step 2: Convert to fraction form
    43,976.72/65,968.24 = 15,913.44/x
  3. Step 3: Cross multiply
    43,976.72x = 65,968.24 × 15,913.44
  4. Step 4: Simplify right side
    43,976.72x = 1,049,781,629.15
  5. Step 5: Solve for x
    x = 1,049,781,629.15/43,976.72
  6. Step 6: Final answer
    x = 23,871.30

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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.