Home / 31,257.20-43,135.94-17,110.02

Finding the Fourth Proportional to 31,257.20, 43,135.94 and 17,110.02

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Solution

The fourth proportional to 31,257.20, 43,135.94 and 17,110.02 is: 23,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.20 : 43,135.94 = 17,110.02 : x
  2. Step 2: Convert to fraction form
    31,257.20/43,135.94 = 17,110.02/x
  3. Step 3: Cross multiply
    31,257.20x = 43,135.94 × 17,110.02
  4. Step 4: Simplify right side
    31,257.20x = 738,056,796.12
  5. Step 5: Solve for x
    x = 738,056,796.12/31,257.20
  6. Step 6: Final answer
    x = 23,612.38

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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.