Home / 31,169.36-43,014.30-17,022.80

Finding the Fourth Proportional to 31,169.36, 43,014.30 and 17,022.80

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Solution

The fourth proportional to 31,169.36, 43,014.30 and 17,022.80 is: 23,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,169.36 : 43,014.30 = 17,022.80 : x
  2. Step 2: Convert to fraction form
    31,169.36/43,014.30 = 17,022.80/x
  3. Step 3: Cross multiply
    31,169.36x = 43,014.30 × 17,022.80
  4. Step 4: Simplify right side
    31,169.36x = 732,223,826.04
  5. Step 5: Solve for x
    x = 732,223,826.04/31,169.36
  6. Step 6: Final answer
    x = 23,491.78

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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.