Home / 31,356.92-43,273.30-17,209.76

Finding the Fourth Proportional to 31,356.92, 43,273.30 and 17,209.76

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Solution

The fourth proportional to 31,356.92, 43,273.30 and 17,209.76 is: 23,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,356.92 : 43,273.30 = 17,209.76 : x
  2. Step 2: Convert to fraction form
    31,356.92/43,273.30 = 17,209.76/x
  3. Step 3: Cross multiply
    31,356.92x = 43,273.30 × 17,209.76
  4. Step 4: Simplify right side
    31,356.92x = 744,723,107.41
  5. Step 5: Solve for x
    x = 744,723,107.41/31,356.92
  6. Step 6: Final answer
    x = 23,749.88

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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.