Home / 31,179.44-43,027.80-18,601.04

Finding the Fourth Proportional to 31,179.44, 43,027.80 and 18,601.04

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Solution

The fourth proportional to 31,179.44, 43,027.80 and 18,601.04 is: 25,669.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179.44 : 43,027.80 = 18,601.04 : x
  2. Step 2: Convert to fraction form
    31,179.44/43,027.80 = 18,601.04/x
  3. Step 3: Cross multiply
    31,179.44x = 43,027.80 × 18,601.04
  4. Step 4: Simplify right side
    31,179.44x = 800,361,828.91
  5. Step 5: Solve for x
    x = 800,361,828.91/31,179.44
  6. Step 6: Final answer
    x = 25,669.54

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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.