Home / 54,352.96-81,519.91-14,372.30

Finding the Fourth Proportional to 54,352.96, 81,519.91 and 14,372.30

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Solution

The fourth proportional to 54,352.96, 81,519.91 and 14,372.30 is: 21,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,352.96 : 81,519.91 = 14,372.30 : x
  2. Step 2: Convert to fraction form
    54,352.96/81,519.91 = 14,372.30/x
  3. Step 3: Cross multiply
    54,352.96x = 81,519.91 × 14,372.30
  4. Step 4: Simplify right side
    54,352.96x = 1,171,628,770.36
  5. Step 5: Solve for x
    x = 1,171,628,770.36/54,352.96
  6. Step 6: Final answer
    x = 21,555.93

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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.