Home / 31,721.44-43,775.62-17,574.26

Finding the Fourth Proportional to 31,721.44, 43,775.62 and 17,574.26

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Solution

The fourth proportional to 31,721.44, 43,775.62 and 17,574.26 is: 24,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.44 : 43,775.62 = 17,574.26 : x
  2. Step 2: Convert to fraction form
    31,721.44/43,775.62 = 17,574.26/x
  3. Step 3: Cross multiply
    31,721.44x = 43,775.62 × 17,574.26
  4. Step 4: Simplify right side
    31,721.44x = 769,324,127.54
  5. Step 5: Solve for x
    x = 769,324,127.54/31,721.44
  6. Step 6: Final answer
    x = 24,252.50

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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.