Home / 36,172.83-54,274.74-18,654.96

Finding the Fourth Proportional to 36,172.83, 54,274.74 and 18,654.96

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Solution

The fourth proportional to 36,172.83, 54,274.74 and 18,654.96 is: 27,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.83 : 54,274.74 = 18,654.96 : x
  2. Step 2: Convert to fraction form
    36,172.83/54,274.74 = 18,654.96/x
  3. Step 3: Cross multiply
    36,172.83x = 54,274.74 × 18,654.96
  4. Step 4: Simplify right side
    36,172.83x = 1,012,493,103.71
  5. Step 5: Solve for x
    x = 1,012,493,103.71/36,172.83
  6. Step 6: Final answer
    x = 27,990.43

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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.