Home / 31,237.87-43,107.19-17,813.44

Finding the Fourth Proportional to 31,237.87, 43,107.19 and 17,813.44

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Solution

The fourth proportional to 31,237.87, 43,107.19 and 17,813.44 is: 24,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,237.87 : 43,107.19 = 17,813.44 : x
  2. Step 2: Convert to fraction form
    31,237.87/43,107.19 = 17,813.44/x
  3. Step 3: Cross multiply
    31,237.87x = 43,107.19 × 17,813.44
  4. Step 4: Simplify right side
    31,237.87x = 767,887,473.22
  5. Step 5: Solve for x
    x = 767,887,473.22/31,237.87
  6. Step 6: Final answer
    x = 24,581.94

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Double scale
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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.