Home / 31,553.82-43,542.99-17,406.66

Finding the Fourth Proportional to 31,553.82, 43,542.99 and 17,406.66

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Solution

The fourth proportional to 31,553.82, 43,542.99 and 17,406.66 is: 24,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.82 : 43,542.99 = 17,406.66 : x
  2. Step 2: Convert to fraction form
    31,553.82/43,542.99 = 17,406.66/x
  3. Step 3: Cross multiply
    31,553.82x = 43,542.99 × 17,406.66
  4. Step 4: Simplify right side
    31,553.82x = 757,938,022.31
  5. Step 5: Solve for x
    x = 757,938,022.31/31,553.82
  6. Step 6: Final answer
    x = 24,020.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.