Home / 31,333.90-43,240.48-17,186.80

Finding the Fourth Proportional to 31,333.90, 43,240.48 and 17,186.80

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Solution

The fourth proportional to 31,333.90, 43,240.48 and 17,186.80 is: 23,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,333.90 : 43,240.48 = 17,186.80 : x
  2. Step 2: Convert to fraction form
    31,333.90/43,240.48 = 17,186.80/x
  3. Step 3: Cross multiply
    31,333.90x = 43,240.48 × 17,186.80
  4. Step 4: Simplify right side
    31,333.90x = 743,165,481.66
  5. Step 5: Solve for x
    x = 743,165,481.66/31,333.90
  6. Step 6: Final answer
    x = 23,717.62

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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.