Home / 54,771.44-82,157.90-19,231.34

Finding the Fourth Proportional to 54,771.44, 82,157.90 and 19,231.34

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Solution

The fourth proportional to 54,771.44, 82,157.90 and 19,231.34 is: 28,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,771.44 : 82,157.90 = 19,231.34 : x
  2. Step 2: Convert to fraction form
    54,771.44/82,157.90 = 19,231.34/x
  3. Step 3: Cross multiply
    54,771.44x = 82,157.90 × 19,231.34
  4. Step 4: Simplify right side
    54,771.44x = 1,580,006,001.64
  5. Step 5: Solve for x
    x = 1,580,006,001.64/54,771.44
  6. Step 6: Final answer
    x = 28,847.26

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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.