Home / 30,163.70-41,621.73-20,098.64

Finding the Fourth Proportional to 30,163.70, 41,621.73 and 20,098.64

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Solution

The fourth proportional to 30,163.70, 41,621.73 and 20,098.64 is: 27,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163.70 : 41,621.73 = 20,098.64 : x
  2. Step 2: Convert to fraction form
    30,163.70/41,621.73 = 20,098.64/x
  3. Step 3: Cross multiply
    30,163.70x = 41,621.73 × 20,098.64
  4. Step 4: Simplify right side
    30,163.70x = 836,540,221.25
  5. Step 5: Solve for x
    x = 836,540,221.25/30,163.70
  6. Step 6: Final answer
    x = 27,733.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.