Home / 36,172.58-54,274.37-18,654.71

Finding the Fourth Proportional to 36,172.58, 54,274.37 and 18,654.71

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Solution

The fourth proportional to 36,172.58, 54,274.37 and 18,654.71 is: 27,990.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.58 : 54,274.37 = 18,654.71 : x
  2. Step 2: Convert to fraction form
    36,172.58/54,274.37 = 18,654.71/x
  3. Step 3: Cross multiply
    36,172.58x = 54,274.37 × 18,654.71
  4. Step 4: Simplify right side
    36,172.58x = 1,012,472,675.20
  5. Step 5: Solve for x
    x = 1,012,472,675.20/36,172.58
  6. Step 6: Final answer
    x = 27,990.06

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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.