Home / 31,339.82-43,248.21-17,192.54

Finding the Fourth Proportional to 31,339.82, 43,248.21 and 17,192.54

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Solution

The fourth proportional to 31,339.82, 43,248.21 and 17,192.54 is: 23,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,339.82 : 43,248.21 = 17,192.54 : x
  2. Step 2: Convert to fraction form
    31,339.82/43,248.21 = 17,192.54/x
  3. Step 3: Cross multiply
    31,339.82x = 43,248.21 × 17,192.54
  4. Step 4: Simplify right side
    31,339.82x = 743,546,580.35
  5. Step 5: Solve for x
    x = 743,546,580.35/31,339.82
  6. Step 6: Final answer
    x = 23,725.30

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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.