Home / 31,634.29-43,653.24-18,203.38

Finding the Fourth Proportional to 31,634.29, 43,653.24 and 18,203.38

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Solution

The fourth proportional to 31,634.29, 43,653.24 and 18,203.38 is: 25,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,634.29 : 43,653.24 = 18,203.38 : x
  2. Step 2: Convert to fraction form
    31,634.29/43,653.24 = 18,203.38/x
  3. Step 3: Cross multiply
    31,634.29x = 43,653.24 × 18,203.38
  4. Step 4: Simplify right side
    31,634.29x = 794,636,297.69
  5. Step 5: Solve for x
    x = 794,636,297.69/31,634.29
  6. Step 6: Final answer
    x = 25,119.46

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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.