Home / 60,747.48-91,121.82-21,305.54

Finding the Fourth Proportional to 60,747.48, 91,121.82 and 21,305.54

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Solution

The fourth proportional to 60,747.48, 91,121.82 and 21,305.54 is: 31,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,747.48 : 91,121.82 = 21,305.54 : x
  2. Step 2: Convert to fraction form
    60,747.48/91,121.82 = 21,305.54/x
  3. Step 3: Cross multiply
    60,747.48x = 91,121.82 × 21,305.54
  4. Step 4: Simplify right side
    60,747.48x = 1,941,399,580.88
  5. Step 5: Solve for x
    x = 1,941,399,580.88/60,747.48
  6. Step 6: Final answer
    x = 31,958.52

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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.