Home / 31,335.26-43,241.24-17,187.80

Finding the Fourth Proportional to 31,335.26, 43,241.24 and 17,187.80

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Solution

The fourth proportional to 31,335.26, 43,241.24 and 17,187.80 is: 23,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.26 : 43,241.24 = 17,187.80 : x
  2. Step 2: Convert to fraction form
    31,335.26/43,241.24 = 17,187.80/x
  3. Step 3: Cross multiply
    31,335.26x = 43,241.24 × 17,187.80
  4. Step 4: Simplify right side
    31,335.26x = 743,221,611.64
  5. Step 5: Solve for x
    x = 743,221,611.64/31,335.26
  6. Step 6: Final answer
    x = 23,718.38

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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.