Home / 47,982.03-71,982.27-18,397.56

Finding the Fourth Proportional to 47,982.03, 71,982.27 and 18,397.56

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Solution

The fourth proportional to 47,982.03, 71,982.27 and 18,397.56 is: 27,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.03 : 71,982.27 = 18,397.56 : x
  2. Step 2: Convert to fraction form
    47,982.03/71,982.27 = 18,397.56/x
  3. Step 3: Cross multiply
    47,982.03x = 71,982.27 × 18,397.56
  4. Step 4: Simplify right side
    47,982.03x = 1,324,297,679.36
  5. Step 5: Solve for x
    x = 1,324,297,679.36/47,982.03
  6. Step 6: Final answer
    x = 27,599.87

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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.