Home / 31,383.92-43,310.52-17,237.76

Finding the Fourth Proportional to 31,383.92, 43,310.52 and 17,237.76

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Solution

The fourth proportional to 31,383.92, 43,310.52 and 17,237.76 is: 23,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383.92 : 43,310.52 = 17,237.76 : x
  2. Step 2: Convert to fraction form
    31,383.92/43,310.52 = 17,237.76/x
  3. Step 3: Cross multiply
    31,383.92x = 43,310.52 × 17,237.76
  4. Step 4: Simplify right side
    31,383.92x = 746,576,349.24
  5. Step 5: Solve for x
    x = 746,576,349.24/31,383.92
  6. Step 6: Final answer
    x = 23,788.50

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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.