Home / 31,383.52-43,310.26-17,236.68

Finding the Fourth Proportional to 31,383.52, 43,310.26 and 17,236.68

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Solution

The fourth proportional to 31,383.52, 43,310.26 and 17,236.68 is: 23,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383.52 : 43,310.26 = 17,236.68 : x
  2. Step 2: Convert to fraction form
    31,383.52/43,310.26 = 17,236.68/x
  3. Step 3: Cross multiply
    31,383.52x = 43,310.26 × 17,236.68
  4. Step 4: Simplify right side
    31,383.52x = 746,525,092.34
  5. Step 5: Solve for x
    x = 746,525,092.34/31,383.52
  6. Step 6: Final answer
    x = 23,787.17

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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.