Home / 31,608.23-43,601.09-20,273.69

Finding the Fourth Proportional to 31,608.23, 43,601.09 and 20,273.69

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Solution

The fourth proportional to 31,608.23, 43,601.09 and 20,273.69 is: 27,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,608.23 : 43,601.09 = 20,273.69 : x
  2. Step 2: Convert to fraction form
    31,608.23/43,601.09 = 20,273.69/x
  3. Step 3: Cross multiply
    31,608.23x = 43,601.09 × 20,273.69
  4. Step 4: Simplify right side
    31,608.23x = 883,954,989.96
  5. Step 5: Solve for x
    x = 883,954,989.96/31,608.23
  6. Step 6: Final answer
    x = 27,965.98

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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.