Home / 54,175.06-81,200.22-20,878.48

Finding the Fourth Proportional to 54,175.06, 81,200.22 and 20,878.48

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Solution

The fourth proportional to 54,175.06, 81,200.22 and 20,878.48 is: 31,293.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,175.06 : 81,200.22 = 20,878.48 : x
  2. Step 2: Convert to fraction form
    54,175.06/81,200.22 = 20,878.48/x
  3. Step 3: Cross multiply
    54,175.06x = 81,200.22 × 20,878.48
  4. Step 4: Simplify right side
    54,175.06x = 1,695,337,169.27
  5. Step 5: Solve for x
    x = 1,695,337,169.27/54,175.06
  6. Step 6: Final answer
    x = 31,293.68

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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.