Home / 54,621.50-81,932.25-31,231.54

Finding the Fourth Proportional to 54,621.50, 81,932.25 and 31,231.54

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Solution

The fourth proportional to 54,621.50, 81,932.25 and 31,231.54 is: 46,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,621.50 : 81,932.25 = 31,231.54 : x
  2. Step 2: Convert to fraction form
    54,621.50/81,932.25 = 31,231.54/x
  3. Step 3: Cross multiply
    54,621.50x = 81,932.25 × 31,231.54
  4. Step 4: Simplify right side
    54,621.50x = 2,558,869,933.50
  5. Step 5: Solve for x
    x = 2,558,869,933.50/54,621.50
  6. Step 6: Final answer
    x = 46,847.30

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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.