Home / 31,310.70-43,208.76-17,163.24

Finding the Fourth Proportional to 31,310.70, 43,208.76 and 17,163.24

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Solution

The fourth proportional to 31,310.70, 43,208.76 and 17,163.24 is: 23,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310.70 : 43,208.76 = 17,163.24 : x
  2. Step 2: Convert to fraction form
    31,310.70/43,208.76 = 17,163.24/x
  3. Step 3: Cross multiply
    31,310.70x = 43,208.76 × 17,163.24
  4. Step 4: Simplify right side
    31,310.70x = 741,602,101.94
  5. Step 5: Solve for x
    x = 741,602,101.94/31,310.70
  6. Step 6: Final answer
    x = 23,685.26

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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.