Home / 54,112.75-74,675.78-30,239.82

Finding the Fourth Proportional to 54,112.75, 74,675.78 and 30,239.82

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Solution

The fourth proportional to 54,112.75, 74,675.78 and 30,239.82 is: 41,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.75 : 74,675.78 = 30,239.82 : x
  2. Step 2: Convert to fraction form
    54,112.75/74,675.78 = 30,239.82/x
  3. Step 3: Cross multiply
    54,112.75x = 74,675.78 × 30,239.82
  4. Step 4: Simplify right side
    54,112.75x = 2,258,182,221.16
  5. Step 5: Solve for x
    x = 2,258,182,221.16/54,112.75
  6. Step 6: Final answer
    x = 41,731.06

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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.