Home / 54,180.39-74,772.60-30,309.30

Finding the Fourth Proportional to 54,180.39, 74,772.60 and 30,309.30

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Solution

The fourth proportional to 54,180.39, 74,772.60 and 30,309.30 is: 41,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,180.39 : 74,772.60 = 30,309.30 : x
  2. Step 2: Convert to fraction form
    54,180.39/74,772.60 = 30,309.30/x
  3. Step 3: Cross multiply
    54,180.39x = 74,772.60 × 30,309.30
  4. Step 4: Simplify right side
    54,180.39x = 2,266,305,165.18
  5. Step 5: Solve for x
    x = 2,266,305,165.18/54,180.39
  6. Step 6: Final answer
    x = 41,828.88

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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.