Home / 54,112.67-74,678.97-30,239.48

Finding the Fourth Proportional to 54,112.67, 74,678.97 and 30,239.48

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Solution

The fourth proportional to 54,112.67, 74,678.97 and 30,239.48 is: 41,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.67 : 74,678.97 = 30,239.48 : x
  2. Step 2: Convert to fraction form
    54,112.67/74,678.97 = 30,239.48/x
  3. Step 3: Cross multiply
    54,112.67x = 74,678.97 × 30,239.48
  4. Step 4: Simplify right side
    54,112.67x = 2,258,253,219.74
  5. Step 5: Solve for x
    x = 2,258,253,219.74/54,112.67
  6. Step 6: Final answer
    x = 41,732.43

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1.5x scale

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.