Home / 36,912.75-50,939.64-20,145.75

Finding the Fourth Proportional to 36,912.75, 50,939.64 and 20,145.75

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Solution

The fourth proportional to 36,912.75, 50,939.64 and 20,145.75 is: 27,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,912.75 : 50,939.64 = 20,145.75 : x
  2. Step 2: Convert to fraction form
    36,912.75/50,939.64 = 20,145.75/x
  3. Step 3: Cross multiply
    36,912.75x = 50,939.64 × 20,145.75
  4. Step 4: Simplify right side
    36,912.75x = 1,026,217,252.53
  5. Step 5: Solve for x
    x = 1,026,217,252.53/36,912.75
  6. Step 6: Final answer
    x = 27,801.16

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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.