Home / 31,790.57-43,871.71-17,644.33

Finding the Fourth Proportional to 31,790.57, 43,871.71 and 17,644.33

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Solution

The fourth proportional to 31,790.57, 43,871.71 and 17,644.33 is: 24,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,790.57 : 43,871.71 = 17,644.33 : x
  2. Step 2: Convert to fraction form
    31,790.57/43,871.71 = 17,644.33/x
  3. Step 3: Cross multiply
    31,790.57x = 43,871.71 × 17,644.33
  4. Step 4: Simplify right side
    31,790.57x = 774,086,709.55
  5. Step 5: Solve for x
    x = 774,086,709.55/31,790.57
  6. Step 6: Final answer
    x = 24,349.57

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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.