Home / 41,945.78-62,921.75-11,959.45

Finding the Fourth Proportional to 41,945.78, 62,921.75 and 11,959.45

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Solution

The fourth proportional to 41,945.78, 62,921.75 and 11,959.45 is: 17,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,945.78 : 62,921.75 = 11,959.45 : x
  2. Step 2: Convert to fraction form
    41,945.78/62,921.75 = 11,959.45/x
  3. Step 3: Cross multiply
    41,945.78x = 62,921.75 × 11,959.45
  4. Step 4: Simplify right side
    41,945.78x = 752,509,305.94
  5. Step 5: Solve for x
    x = 752,509,305.94/41,945.78
  6. Step 6: Final answer
    x = 17,940.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.