Home / 54,311.29-74,945.49-30,433.37

Finding the Fourth Proportional to 54,311.29, 74,945.49 and 30,433.37

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Solution

The fourth proportional to 54,311.29, 74,945.49 and 30,433.37 is: 41,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.29 : 74,945.49 = 30,433.37 : x
  2. Step 2: Convert to fraction form
    54,311.29/74,945.49 = 30,433.37/x
  3. Step 3: Cross multiply
    54,311.29x = 74,945.49 × 30,433.37
  4. Step 4: Simplify right side
    54,311.29x = 2,280,843,338.15
  5. Step 5: Solve for x
    x = 2,280,843,338.15/54,311.29
  6. Step 6: Final answer
    x = 41,995.75

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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.