Home / 54,431.66-81,650.52-16,996.89

Finding the Fourth Proportional to 54,431.66, 81,650.52 and 16,996.89

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Solution

The fourth proportional to 54,431.66, 81,650.52 and 16,996.89 is: 25,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.66 : 81,650.52 = 16,996.89 : x
  2. Step 2: Convert to fraction form
    54,431.66/81,650.52 = 16,996.89/x
  3. Step 3: Cross multiply
    54,431.66x = 81,650.52 × 16,996.89
  4. Step 4: Simplify right side
    54,431.66x = 1,387,804,906.88
  5. Step 5: Solve for x
    x = 1,387,804,906.88/54,431.66
  6. Step 6: Final answer
    x = 25,496.28

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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.