Home / 31,252.96-43,129.04-17,105.80

Finding the Fourth Proportional to 31,252.96, 43,129.04 and 17,105.80

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Solution

The fourth proportional to 31,252.96, 43,129.04 and 17,105.80 is: 23,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,252.96 : 43,129.04 = 17,105.80 : x
  2. Step 2: Convert to fraction form
    31,252.96/43,129.04 = 17,105.80/x
  3. Step 3: Cross multiply
    31,252.96x = 43,129.04 × 17,105.80
  4. Step 4: Simplify right side
    31,252.96x = 737,756,732.43
  5. Step 5: Solve for x
    x = 737,756,732.43/31,252.96
  6. Step 6: Final answer
    x = 23,605.98

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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.