Home / 54,945.36-82,362.40-21,652.48

Finding the Fourth Proportional to 54,945.36, 82,362.40 and 21,652.48

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Solution

The fourth proportional to 54,945.36, 82,362.40 and 21,652.48 is: 32,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,945.36 : 82,362.40 = 21,652.48 : x
  2. Step 2: Convert to fraction form
    54,945.36/82,362.40 = 21,652.48/x
  3. Step 3: Cross multiply
    54,945.36x = 82,362.40 × 21,652.48
  4. Step 4: Simplify right side
    54,945.36x = 1,783,350,218.75
  5. Step 5: Solve for x
    x = 1,783,350,218.75/54,945.36
  6. Step 6: Final answer
    x = 32,456.79

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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.