Home / 54,757.40-75,563.48-30,559.04

Finding the Fourth Proportional to 54,757.40, 75,563.48 and 30,559.04

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Solution

The fourth proportional to 54,757.40, 75,563.48 and 30,559.04 is: 42,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,757.40 : 75,563.48 = 30,559.04 : x
  2. Step 2: Convert to fraction form
    54,757.40/75,563.48 = 30,559.04/x
  3. Step 3: Cross multiply
    54,757.40x = 75,563.48 × 30,559.04
  4. Step 4: Simplify right side
    54,757.40x = 2,309,147,407.86
  5. Step 5: Solve for x
    x = 2,309,147,407.86/54,757.40
  6. Step 6: Final answer
    x = 42,170.51

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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.