Home / 55,157.24-82,720.46-19,614.03

Finding the Fourth Proportional to 55,157.24, 82,720.46 and 19,614.03

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Solution

The fourth proportional to 55,157.24, 82,720.46 and 19,614.03 is: 29,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,157.24 : 82,720.46 = 19,614.03 : x
  2. Step 2: Convert to fraction form
    55,157.24/82,720.46 = 19,614.03/x
  3. Step 3: Cross multiply
    55,157.24x = 82,720.46 × 19,614.03
  4. Step 4: Simplify right side
    55,157.24x = 1,622,481,584.05
  5. Step 5: Solve for x
    x = 1,622,481,584.05/55,157.24
  6. Step 6: Final answer
    x = 29,415.57

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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.