Home / 20,134.08-30,201.81-5,344.50

Finding the Fourth Proportional to 20,134.08, 30,201.81 and 5,344.50

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Solution

The fourth proportional to 20,134.08, 30,201.81 and 5,344.50 is: 8,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.08 : 30,201.81 = 5,344.50 : x
  2. Step 2: Convert to fraction form
    20,134.08/30,201.81 = 5,344.50/x
  3. Step 3: Cross multiply
    20,134.08x = 30,201.81 × 5,344.50
  4. Step 4: Simplify right side
    20,134.08x = 161,413,573.55
  5. Step 5: Solve for x
    x = 161,413,573.55/20,134.08
  6. Step 6: Final answer
    x = 8,016.93

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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.