Home / 36,270.28-54,405.28-11,311.75

Finding the Fourth Proportional to 36,270.28, 54,405.28 and 11,311.75

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Solution

The fourth proportional to 36,270.28, 54,405.28 and 11,311.75 is: 16,967.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,270.28 : 54,405.28 = 11,311.75 : x
  2. Step 2: Convert to fraction form
    36,270.28/54,405.28 = 11,311.75/x
  3. Step 3: Cross multiply
    36,270.28x = 54,405.28 × 11,311.75
  4. Step 4: Simplify right side
    36,270.28x = 615,418,926.04
  5. Step 5: Solve for x
    x = 615,418,926.04/36,270.28
  6. Step 6: Final answer
    x = 16,967.58

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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.