Home / 54,757.44-75,564.90-30,884.31

Finding the Fourth Proportional to 54,757.44, 75,564.90 and 30,884.31

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Solution

The fourth proportional to 54,757.44, 75,564.90 and 30,884.31 is: 42,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,757.44 : 75,564.90 = 30,884.31 : x
  2. Step 2: Convert to fraction form
    54,757.44/75,564.90 = 30,884.31/x
  3. Step 3: Cross multiply
    54,757.44x = 75,564.90 × 30,884.31
  4. Step 4: Simplify right side
    54,757.44x = 2,333,769,796.72
  5. Step 5: Solve for x
    x = 2,333,769,796.72/54,757.44
  6. Step 6: Final answer
    x = 42,620.14

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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.