Home / 31,379.69-43,304.27-17,232.84

Finding the Fourth Proportional to 31,379.69, 43,304.27 and 17,232.84

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Solution

The fourth proportional to 31,379.69, 43,304.27 and 17,232.84 is: 23,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,379.69 : 43,304.27 = 17,232.84 : x
  2. Step 2: Convert to fraction form
    31,379.69/43,304.27 = 17,232.84/x
  3. Step 3: Cross multiply
    31,379.69x = 43,304.27 × 17,232.84
  4. Step 4: Simplify right side
    31,379.69x = 746,255,556.23
  5. Step 5: Solve for x
    x = 746,255,556.23/31,379.69
  6. Step 6: Final answer
    x = 23,781.48

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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.