Home / 54,524.88-81,753.83-21,206.11

Finding the Fourth Proportional to 54,524.88, 81,753.83 and 21,206.11

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Solution

The fourth proportional to 54,524.88, 81,753.83 and 21,206.11 is: 31,796.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,524.88 : 81,753.83 = 21,206.11 : x
  2. Step 2: Convert to fraction form
    54,524.88/81,753.83 = 21,206.11/x
  3. Step 3: Cross multiply
    54,524.88x = 81,753.83 × 21,206.11
  4. Step 4: Simplify right side
    54,524.88x = 1,733,680,401.49
  5. Step 5: Solve for x
    x = 1,733,680,401.49/54,524.88
  6. Step 6: Final answer
    x = 31,796.13

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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.