Home / 31,519.62-43,499.07-17,372.46

Finding the Fourth Proportional to 31,519.62, 43,499.07 and 17,372.46

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Solution

The fourth proportional to 31,519.62, 43,499.07 and 17,372.46 is: 23,975.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.62 : 43,499.07 = 17,372.46 : x
  2. Step 2: Convert to fraction form
    31,519.62/43,499.07 = 17,372.46/x
  3. Step 3: Cross multiply
    31,519.62x = 43,499.07 × 17,372.46
  4. Step 4: Simplify right side
    31,519.62x = 755,685,853.61
  5. Step 5: Solve for x
    x = 755,685,853.61/31,519.62
  6. Step 6: Final answer
    x = 23,975.09

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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.