Home / 31,613.76-43,629.84-17,469.36

Finding the Fourth Proportional to 31,613.76, 43,629.84 and 17,469.36

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Solution

The fourth proportional to 31,613.76, 43,629.84 and 17,469.36 is: 24,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,613.76 : 43,629.84 = 17,469.36 : x
  2. Step 2: Convert to fraction form
    31,613.76/43,629.84 = 17,469.36/x
  3. Step 3: Cross multiply
    31,613.76x = 43,629.84 × 17,469.36
  4. Step 4: Simplify right side
    31,613.76x = 762,185,381.70
  5. Step 5: Solve for x
    x = 762,185,381.70/31,613.76
  6. Step 6: Final answer
    x = 24,109.29

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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.