Home / 31,519.97-43,497.76-17,372.81

Finding the Fourth Proportional to 31,519.97, 43,497.76 and 17,372.81

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Solution

The fourth proportional to 31,519.97, 43,497.76 and 17,372.81 is: 23,974.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.97 : 43,497.76 = 17,372.81 : x
  2. Step 2: Convert to fraction form
    31,519.97/43,497.76 = 17,372.81/x
  3. Step 3: Cross multiply
    31,519.97x = 43,497.76 × 17,372.81
  4. Step 4: Simplify right side
    31,519.97x = 755,678,319.91
  5. Step 5: Solve for x
    x = 755,678,319.91/31,519.97
  6. Step 6: Final answer
    x = 23,974.59

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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.