Home / 31,665.36-43,696.60-17,324.88

Finding the Fourth Proportional to 31,665.36, 43,696.60 and 17,324.88

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Solution

The fourth proportional to 31,665.36, 43,696.60 and 17,324.88 is: 23,907.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665.36 : 43,696.60 = 17,324.88 : x
  2. Step 2: Convert to fraction form
    31,665.36/43,696.60 = 17,324.88/x
  3. Step 3: Cross multiply
    31,665.36x = 43,696.60 × 17,324.88
  4. Step 4: Simplify right side
    31,665.36x = 757,038,351.41
  5. Step 5: Solve for x
    x = 757,038,351.41/31,665.36
  6. Step 6: Final answer
    x = 23,907.46

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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.