Home / 31,383.82-43,309.64-17,237.57

Finding the Fourth Proportional to 31,383.82, 43,309.64 and 17,237.57

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Solution

The fourth proportional to 31,383.82, 43,309.64 and 17,237.57 is: 23,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383.82 : 43,309.64 = 17,237.57 : x
  2. Step 2: Convert to fraction form
    31,383.82/43,309.64 = 17,237.57/x
  3. Step 3: Cross multiply
    31,383.82x = 43,309.64 × 17,237.57
  4. Step 4: Simplify right side
    31,383.82x = 746,552,864.99
  5. Step 5: Solve for x
    x = 746,552,864.99/31,383.82
  6. Step 6: Final answer
    x = 23,787.83

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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.