Home / 54,523.30-81,724.20-21,232.30

Finding the Fourth Proportional to 54,523.30, 81,724.20 and 21,232.30

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Solution

The fourth proportional to 54,523.30, 81,724.20 and 21,232.30 is: 31,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,523.30 : 81,724.20 = 21,232.30 : x
  2. Step 2: Convert to fraction form
    54,523.30/81,724.20 = 21,232.30/x
  3. Step 3: Cross multiply
    54,523.30x = 81,724.20 × 21,232.30
  4. Step 4: Simplify right side
    54,523.30x = 1,735,192,731.66
  5. Step 5: Solve for x
    x = 1,735,192,731.66/54,523.30
  6. Step 6: Final answer
    x = 31,824.79

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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.