Home / 31,340.49-43,251.00-17,193.75

Finding the Fourth Proportional to 31,340.49, 43,251.00 and 17,193.75

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Solution

The fourth proportional to 31,340.49, 43,251.00 and 17,193.75 is: 23,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.49 : 43,251.00 = 17,193.75 : x
  2. Step 2: Convert to fraction form
    31,340.49/43,251.00 = 17,193.75/x
  3. Step 3: Cross multiply
    31,340.49x = 43,251.00 × 17,193.75
  4. Step 4: Simplify right side
    31,340.49x = 743,646,579.03
  5. Step 5: Solve for x
    x = 743,646,579.03/31,340.49
  6. Step 6: Final answer
    x = 23,727.99

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Half scale
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Double scale
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Similar ratio
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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.