Home / 54,464.96-81,676.88-21,180.84

Finding the Fourth Proportional to 54,464.96, 81,676.88 and 21,180.84

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Solution

The fourth proportional to 54,464.96, 81,676.88 and 21,180.84 is: 31,763.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,464.96 : 81,676.88 = 21,180.84 : x
  2. Step 2: Convert to fraction form
    54,464.96/81,676.88 = 21,180.84/x
  3. Step 3: Cross multiply
    54,464.96x = 81,676.88 × 21,180.84
  4. Step 4: Simplify right side
    54,464.96x = 1,729,984,926.98
  5. Step 5: Solve for x
    x = 1,729,984,926.98/54,464.96
  6. Step 6: Final answer
    x = 31,763.26

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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.