Home / 36,189.75-49,941.86-20,274.20

Finding the Fourth Proportional to 36,189.75, 49,941.86 and 20,274.20

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Solution

The fourth proportional to 36,189.75, 49,941.86 and 20,274.20 is: 27,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,189.75 : 49,941.86 = 20,274.20 : x
  2. Step 2: Convert to fraction form
    36,189.75/49,941.86 = 20,274.20/x
  3. Step 3: Cross multiply
    36,189.75x = 49,941.86 × 20,274.20
  4. Step 4: Simplify right side
    36,189.75x = 1,012,530,906.93
  5. Step 5: Solve for x
    x = 1,012,530,906.93/36,189.75
  6. Step 6: Final answer
    x = 27,978.39

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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.