Home / 31,282.53-43,169.97-17,135.38

Finding the Fourth Proportional to 31,282.53, 43,169.97 and 17,135.38

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Solution

The fourth proportional to 31,282.53, 43,169.97 and 17,135.38 is: 23,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.53 : 43,169.97 = 17,135.38 : x
  2. Step 2: Convert to fraction form
    31,282.53/43,169.97 = 17,135.38/x
  3. Step 3: Cross multiply
    31,282.53x = 43,169.97 × 17,135.38
  4. Step 4: Simplify right side
    31,282.53x = 739,733,840.54
  5. Step 5: Solve for x
    x = 739,733,840.54/31,282.53
  6. Step 6: Final answer
    x = 23,646.87

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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.