Home / 31,236.83-43,107.96-17,805.91

Finding the Fourth Proportional to 31,236.83, 43,107.96 and 17,805.91

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Solution

The fourth proportional to 31,236.83, 43,107.96 and 17,805.91 is: 24,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.83 : 43,107.96 = 17,805.91 : x
  2. Step 2: Convert to fraction form
    31,236.83/43,107.96 = 17,805.91/x
  3. Step 3: Cross multiply
    31,236.83x = 43,107.96 × 17,805.91
  4. Step 4: Simplify right side
    31,236.83x = 767,576,456.04
  5. Step 5: Solve for x
    x = 767,576,456.04/31,236.83
  6. Step 6: Final answer
    x = 24,572.80

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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.