Home / 31,791.48-43,872.24-17,644.32

Finding the Fourth Proportional to 31,791.48, 43,872.24 and 17,644.32

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Solution

The fourth proportional to 31,791.48, 43,872.24 and 17,644.32 is: 24,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,791.48 : 43,872.24 = 17,644.32 : x
  2. Step 2: Convert to fraction form
    31,791.48/43,872.24 = 17,644.32/x
  3. Step 3: Cross multiply
    31,791.48x = 43,872.24 × 17,644.32
  4. Step 4: Simplify right side
    31,791.48x = 774,095,841.68
  5. Step 5: Solve for x
    x = 774,095,841.68/31,791.48
  6. Step 6: Final answer
    x = 24,349.16

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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.