Home / 54,201.40-81,309.75-16,764.75

Finding the Fourth Proportional to 54,201.40, 81,309.75 and 16,764.75

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Solution

The fourth proportional to 54,201.40, 81,309.75 and 16,764.75 is: 25,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,201.40 : 81,309.75 = 16,764.75 : x
  2. Step 2: Convert to fraction form
    54,201.40/81,309.75 = 16,764.75/x
  3. Step 3: Cross multiply
    54,201.40x = 81,309.75 × 16,764.75
  4. Step 4: Simplify right side
    54,201.40x = 1,363,137,631.31
  5. Step 5: Solve for x
    x = 1,363,137,631.31/54,201.40
  6. Step 6: Final answer
    x = 25,149.49

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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.