Home / 31,535.82-43,519.24-17,388.66

Finding the Fourth Proportional to 31,535.82, 43,519.24 and 17,388.66

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Solution

The fourth proportional to 31,535.82, 43,519.24 and 17,388.66 is: 23,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.82 : 43,519.24 = 17,388.66 : x
  2. Step 2: Convert to fraction form
    31,535.82/43,519.24 = 17,388.66/x
  3. Step 3: Cross multiply
    31,535.82x = 43,519.24 × 17,388.66
  4. Step 4: Simplify right side
    31,535.82x = 756,741,267.82
  5. Step 5: Solve for x
    x = 756,741,267.82/31,535.82
  6. Step 6: Final answer
    x = 23,996.25

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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.