Home / 31,286.01-43,175.25-17,137.94

Finding the Fourth Proportional to 31,286.01, 43,175.25 and 17,137.94

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Solution

The fourth proportional to 31,286.01, 43,175.25 and 17,137.94 is: 23,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,286.01 : 43,175.25 = 17,137.94 : x
  2. Step 2: Convert to fraction form
    31,286.01/43,175.25 = 17,137.94/x
  3. Step 3: Cross multiply
    31,286.01x = 43,175.25 × 17,137.94
  4. Step 4: Simplify right side
    31,286.01x = 739,934,628.11
  5. Step 5: Solve for x
    x = 739,934,628.11/31,286.01
  6. Step 6: Final answer
    x = 23,650.65

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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.