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Finding the Fourth Proportional to 36,679.02, 50,617.08 and 19,912.02

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Solution

The fourth proportional to 36,679.02, 50,617.08 and 19,912.02 is: 27,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,679.02 : 50,617.08 = 19,912.02 : x
  2. Step 2: Convert to fraction form
    36,679.02/50,617.08 = 19,912.02/x
  3. Step 3: Cross multiply
    36,679.02x = 50,617.08 × 19,912.02
  4. Step 4: Simplify right side
    36,679.02x = 1,007,888,309.30
  5. Step 5: Solve for x
    x = 1,007,888,309.30/36,679.02
  6. Step 6: Final answer
    x = 27,478.61

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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.