Home / 31,297.16-43,190.61-17,150.78

Finding the Fourth Proportional to 31,297.16, 43,190.61 and 17,150.78

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Solution

The fourth proportional to 31,297.16, 43,190.61 and 17,150.78 is: 23,668.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.16 : 43,190.61 = 17,150.78 : x
  2. Step 2: Convert to fraction form
    31,297.16/43,190.61 = 17,150.78/x
  3. Step 3: Cross multiply
    31,297.16x = 43,190.61 × 17,150.78
  4. Step 4: Simplify right side
    31,297.16x = 740,752,650.18
  5. Step 5: Solve for x
    x = 740,752,650.18/31,297.16
  6. Step 6: Final answer
    x = 23,668.37

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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.