Home / 31,252.23-43,128.97-17,105.99

Finding the Fourth Proportional to 31,252.23, 43,128.97 and 17,105.99

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Solution

The fourth proportional to 31,252.23, 43,128.97 and 17,105.99 is: 23,606.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,252.23 : 43,128.97 = 17,105.99 : x
  2. Step 2: Convert to fraction form
    31,252.23/43,128.97 = 17,105.99/x
  3. Step 3: Cross multiply
    31,252.23x = 43,128.97 × 17,105.99
  4. Step 4: Simplify right side
    31,252.23x = 737,763,471.12
  5. Step 5: Solve for x
    x = 737,763,471.12/31,252.23
  6. Step 6: Final answer
    x = 23,606.75

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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.