Home / 31,192.97-43,045.61-17,045.91

Finding the Fourth Proportional to 31,192.97, 43,045.61 and 17,045.91

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Solution

The fourth proportional to 31,192.97, 43,045.61 and 17,045.91 is: 23,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,192.97 : 43,045.61 = 17,045.91 : x
  2. Step 2: Convert to fraction form
    31,192.97/43,045.61 = 17,045.91/x
  3. Step 3: Cross multiply
    31,192.97x = 43,045.61 × 17,045.91
  4. Step 4: Simplify right side
    31,192.97x = 733,751,508.73
  5. Step 5: Solve for x
    x = 733,751,508.73/31,192.97
  6. Step 6: Final answer
    x = 23,522.98

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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.