Home / 36,172.34-54,273.99-18,654.47

Finding the Fourth Proportional to 36,172.34, 54,273.99 and 18,654.47

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Solution

The fourth proportional to 36,172.34, 54,273.99 and 18,654.47 is: 27,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.34 : 54,273.99 = 18,654.47 : x
  2. Step 2: Convert to fraction form
    36,172.34/54,273.99 = 18,654.47/x
  3. Step 3: Cross multiply
    36,172.34x = 54,273.99 × 18,654.47
  4. Step 4: Simplify right side
    36,172.34x = 1,012,452,246.87
  5. Step 5: Solve for x
    x = 1,012,452,246.87/36,172.34
  6. Step 6: Final answer
    x = 27,989.68

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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.