Home / 31,334.82-43,241.31-17,187.54

Finding the Fourth Proportional to 31,334.82, 43,241.31 and 17,187.54

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Solution

The fourth proportional to 31,334.82, 43,241.31 and 17,187.54 is: 23,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.82 : 43,241.31 = 17,187.54 : x
  2. Step 2: Convert to fraction form
    31,334.82/43,241.31 = 17,187.54/x
  3. Step 3: Cross multiply
    31,334.82x = 43,241.31 × 17,187.54
  4. Step 4: Simplify right side
    31,334.82x = 743,211,745.28
  5. Step 5: Solve for x
    x = 743,211,745.28/31,334.82
  6. Step 6: Final answer
    x = 23,718.40

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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.