Home / 36,274.76-54,442.14-18,518.55

Finding the Fourth Proportional to 36,274.76, 54,442.14 and 18,518.55

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Solution

The fourth proportional to 36,274.76, 54,442.14 and 18,518.55 is: 27,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,274.76 : 54,442.14 = 18,518.55 : x
  2. Step 2: Convert to fraction form
    36,274.76/54,442.14 = 18,518.55/x
  3. Step 3: Cross multiply
    36,274.76x = 54,442.14 × 18,518.55
  4. Step 4: Simplify right side
    36,274.76x = 1,008,189,491.70
  5. Step 5: Solve for x
    x = 1,008,189,491.70/36,274.76
  6. Step 6: Final answer
    x = 27,793.14

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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.