Home / 54,945.32-82,362.42-21,652.43

Finding the Fourth Proportional to 54,945.32, 82,362.42 and 21,652.43

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Solution

The fourth proportional to 54,945.32, 82,362.42 and 21,652.43 is: 32,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,945.32 : 82,362.42 = 21,652.43 : x
  2. Step 2: Convert to fraction form
    54,945.32/82,362.42 = 21,652.43/x
  3. Step 3: Cross multiply
    54,945.32x = 82,362.42 × 21,652.43
  4. Step 4: Simplify right side
    54,945.32x = 1,783,346,121.87
  5. Step 5: Solve for x
    x = 1,783,346,121.87/54,945.32
  6. Step 6: Final answer
    x = 32,456.75

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1.5x scale

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.