Home / 31,297.26-43,190.26-17,149.80

Finding the Fourth Proportional to 31,297.26, 43,190.26 and 17,149.80

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Solution

The fourth proportional to 31,297.26, 43,190.26 and 17,149.80 is: 23,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.26 : 43,190.26 = 17,149.80 : x
  2. Step 2: Convert to fraction form
    31,297.26/43,190.26 = 17,149.80/x
  3. Step 3: Cross multiply
    31,297.26x = 43,190.26 × 17,149.80
  4. Step 4: Simplify right side
    31,297.26x = 740,704,320.95
  5. Step 5: Solve for x
    x = 740,704,320.95/31,297.26
  6. Step 6: Final answer
    x = 23,666.75

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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.