Home / 31,519.72-43,497.41-17,372.57

Finding the Fourth Proportional to 31,519.72, 43,497.41 and 17,372.57

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Solution

The fourth proportional to 31,519.72, 43,497.41 and 17,372.57 is: 23,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.72 : 43,497.41 = 17,372.57 : x
  2. Step 2: Convert to fraction form
    31,519.72/43,497.41 = 17,372.57/x
  3. Step 3: Cross multiply
    31,519.72x = 43,497.41 × 17,372.57
  4. Step 4: Simplify right side
    31,519.72x = 755,661,625.99
  5. Step 5: Solve for x
    x = 755,661,625.99/31,519.72
  6. Step 6: Final answer
    x = 23,974.25

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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.