Home / 31,791.44-43,871.14-17,645.34

Finding the Fourth Proportional to 31,791.44, 43,871.14 and 17,645.34

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Solution

The fourth proportional to 31,791.44, 43,871.14 and 17,645.34 is: 24,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,791.44 : 43,871.14 = 17,645.34 : x
  2. Step 2: Convert to fraction form
    31,791.44/43,871.14 = 17,645.34/x
  3. Step 3: Cross multiply
    31,791.44x = 43,871.14 × 17,645.34
  4. Step 4: Simplify right side
    31,791.44x = 774,121,181.49
  5. Step 5: Solve for x
    x = 774,121,181.49/31,791.44
  6. Step 6: Final answer
    x = 24,349.99

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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.