Home / 31,179.36-43,025.91-17,029.47

Finding the Fourth Proportional to 31,179.36, 43,025.91 and 17,029.47

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Solution

The fourth proportional to 31,179.36, 43,025.91 and 17,029.47 is: 23,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179.36 : 43,025.91 = 17,029.47 : x
  2. Step 2: Convert to fraction form
    31,179.36/43,025.91 = 17,029.47/x
  3. Step 3: Cross multiply
    31,179.36x = 43,025.91 × 17,029.47
  4. Step 4: Simplify right side
    31,179.36x = 732,708,143.29
  5. Step 5: Solve for x
    x = 732,708,143.29/31,179.36
  6. Step 6: Final answer
    x = 23,499.79

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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.