Home / 54,662.58-81,998.91-21,385.26

Finding the Fourth Proportional to 54,662.58, 81,998.91 and 21,385.26

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Solution

The fourth proportional to 54,662.58, 81,998.91 and 21,385.26 is: 32,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,662.58 : 81,998.91 = 21,385.26 : x
  2. Step 2: Convert to fraction form
    54,662.58/81,998.91 = 21,385.26/x
  3. Step 3: Cross multiply
    54,662.58x = 81,998.91 × 21,385.26
  4. Step 4: Simplify right side
    54,662.58x = 1,753,568,010.07
  5. Step 5: Solve for x
    x = 1,753,568,010.07/54,662.58
  6. Step 6: Final answer
    x = 32,079.86

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1.5x scale

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.