Home / 54,431.91-81,650.90-16,997.14

Finding the Fourth Proportional to 54,431.91, 81,650.90 and 16,997.14

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Solution

The fourth proportional to 54,431.91, 81,650.90 and 16,997.14 is: 25,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.91 : 81,650.90 = 16,997.14 : x
  2. Step 2: Convert to fraction form
    54,431.91/81,650.90 = 16,997.14/x
  3. Step 3: Cross multiply
    54,431.91x = 81,650.90 × 16,997.14
  4. Step 4: Simplify right side
    54,431.91x = 1,387,831,778.43
  5. Step 5: Solve for x
    x = 1,387,831,778.43/54,431.91
  6. Step 6: Final answer
    x = 25,496.66

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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.