Home / 36,111.44-54,122.79-20,283.20

Finding the Fourth Proportional to 36,111.44, 54,122.79 and 20,283.20

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Solution

The fourth proportional to 36,111.44, 54,122.79 and 20,283.20 is: 30,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111.44 : 54,122.79 = 20,283.20 : x
  2. Step 2: Convert to fraction form
    36,111.44/54,122.79 = 20,283.20/x
  3. Step 3: Cross multiply
    36,111.44x = 54,122.79 × 20,283.20
  4. Step 4: Simplify right side
    36,111.44x = 1,097,783,361.72
  5. Step 5: Solve for x
    x = 1,097,783,361.72/36,111.44
  6. Step 6: Final answer
    x = 30,399.88

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1.5x scale

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.