Home / 31,519.20-43,496.16-17,372.64

Finding the Fourth Proportional to 31,519.20, 43,496.16 and 17,372.64

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Solution

The fourth proportional to 31,519.20, 43,496.16 and 17,372.64 is: 23,974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.20 : 43,496.16 = 17,372.64 : x
  2. Step 2: Convert to fraction form
    31,519.20/43,496.16 = 17,372.64/x
  3. Step 3: Cross multiply
    31,519.20x = 43,496.16 × 17,372.64
  4. Step 4: Simplify right side
    31,519.20x = 755,643,129.06
  5. Step 5: Solve for x
    x = 755,643,129.06/31,519.20
  6. Step 6: Final answer
    x = 23,974.06

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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.