Home / 31,231.17-43,099.34-17,083.71

Finding the Fourth Proportional to 31,231.17, 43,099.34 and 17,083.71

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Solution

The fourth proportional to 31,231.17, 43,099.34 and 17,083.71 is: 23,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.17 : 43,099.34 = 17,083.71 : x
  2. Step 2: Convert to fraction form
    31,231.17/43,099.34 = 17,083.71/x
  3. Step 3: Cross multiply
    31,231.17x = 43,099.34 × 17,083.71
  4. Step 4: Simplify right side
    31,231.17x = 736,296,540.33
  5. Step 5: Solve for x
    x = 736,296,540.33/31,231.17
  6. Step 6: Final answer
    x = 23,575.70

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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.