Home / 54,178.36-74,764.44-30,305.44

Finding the Fourth Proportional to 54,178.36, 74,764.44 and 30,305.44

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Solution

The fourth proportional to 54,178.36, 74,764.44 and 30,305.44 is: 41,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,178.36 : 74,764.44 = 30,305.44 : x
  2. Step 2: Convert to fraction form
    54,178.36/74,764.44 = 30,305.44/x
  3. Step 3: Cross multiply
    54,178.36x = 74,764.44 × 30,305.44
  4. Step 4: Simplify right side
    54,178.36x = 2,265,769,250.55
  5. Step 5: Solve for x
    x = 2,265,769,250.55/54,178.36
  6. Step 6: Final answer
    x = 41,820.56

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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.