Home / 54,738.84-82,069.33-20,976.25

Finding the Fourth Proportional to 54,738.84, 82,069.33 and 20,976.25

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Solution

The fourth proportional to 54,738.84, 82,069.33 and 20,976.25 is: 31,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,738.84 : 82,069.33 = 20,976.25 : x
  2. Step 2: Convert to fraction form
    54,738.84/82,069.33 = 20,976.25/x
  3. Step 3: Cross multiply
    54,738.84x = 82,069.33 × 20,976.25
  4. Step 4: Simplify right side
    54,738.84x = 1,721,506,783.41
  5. Step 5: Solve for x
    x = 1,721,506,783.41/54,738.84
  6. Step 6: Final answer
    x = 31,449.46

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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.