Home / 45,921.13-68,724.42-31,896.97

Finding the Fourth Proportional to 45,921.13, 68,724.42 and 31,896.97

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Solution

The fourth proportional to 45,921.13, 68,724.42 and 31,896.97 is: 47,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,921.13 : 68,724.42 = 31,896.97 : x
  2. Step 2: Convert to fraction form
    45,921.13/68,724.42 = 31,896.97/x
  3. Step 3: Cross multiply
    45,921.13x = 68,724.42 × 31,896.97
  4. Step 4: Simplify right side
    45,921.13x = 2,192,100,763.01
  5. Step 5: Solve for x
    x = 2,192,100,763.01/45,921.13
  6. Step 6: Final answer
    x = 47,736.21

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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.