Home / 19,982.43-29,975.25-5,942.24

Finding the Fourth Proportional to 19,982.43, 29,975.25 and 5,942.24

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Solution

The fourth proportional to 19,982.43, 29,975.25 and 5,942.24 is: 8,913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.43 : 29,975.25 = 5,942.24 : x
  2. Step 2: Convert to fraction form
    19,982.43/29,975.25 = 5,942.24/x
  3. Step 3: Cross multiply
    19,982.43x = 29,975.25 × 5,942.24
  4. Step 4: Simplify right side
    19,982.43x = 178,120,129.56
  5. Step 5: Solve for x
    x = 178,120,129.56/19,982.43
  6. Step 6: Final answer
    x = 8,913.84

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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.