Home / 20,134.56-30,201.83-5,344.64

Finding the Fourth Proportional to 20,134.56, 30,201.83 and 5,344.64

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Solution

The fourth proportional to 20,134.56, 30,201.83 and 5,344.64 is: 8,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.56 : 30,201.83 = 5,344.64 : x
  2. Step 2: Convert to fraction form
    20,134.56/30,201.83 = 5,344.64/x
  3. Step 3: Cross multiply
    20,134.56x = 30,201.83 × 5,344.64
  4. Step 4: Simplify right side
    20,134.56x = 161,417,908.69
  5. Step 5: Solve for x
    x = 161,417,908.69/20,134.56
  6. Step 6: Final answer
    x = 8,016.96

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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.