Home / 31,245.25-43,118.45-17,098.09

Finding the Fourth Proportional to 31,245.25, 43,118.45 and 17,098.09

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Solution

The fourth proportional to 31,245.25, 43,118.45 and 17,098.09 is: 23,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245.25 : 43,118.45 = 17,098.09 : x
  2. Step 2: Convert to fraction form
    31,245.25/43,118.45 = 17,098.09/x
  3. Step 3: Cross multiply
    31,245.25x = 43,118.45 × 17,098.09
  4. Step 4: Simplify right side
    31,245.25x = 737,243,138.76
  5. Step 5: Solve for x
    x = 737,243,138.76/31,245.25
  6. Step 6: Final answer
    x = 23,595.37

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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.