Home / 31,245.40-43,118.49-17,098.48

Finding the Fourth Proportional to 31,245.40, 43,118.49 and 17,098.48

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Solution

The fourth proportional to 31,245.40, 43,118.49 and 17,098.48 is: 23,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245.40 : 43,118.49 = 17,098.48 : x
  2. Step 2: Convert to fraction form
    31,245.40/43,118.49 = 17,098.48/x
  3. Step 3: Cross multiply
    31,245.40x = 43,118.49 × 17,098.48
  4. Step 4: Simplify right side
    31,245.40x = 737,260,638.90
  5. Step 5: Solve for x
    x = 737,260,638.90/31,245.40
  6. Step 6: Final answer
    x = 23,595.81

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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.