Home / 31,563.73-43,539.57-20,229.19

Finding the Fourth Proportional to 31,563.73, 43,539.57 and 20,229.19

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Solution

The fourth proportional to 31,563.73, 43,539.57 and 20,229.19 is: 27,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,563.73 : 43,539.57 = 20,229.19 : x
  2. Step 2: Convert to fraction form
    31,563.73/43,539.57 = 20,229.19/x
  3. Step 3: Cross multiply
    31,563.73x = 43,539.57 × 20,229.19
  4. Step 4: Simplify right side
    31,563.73x = 880,770,234.05
  5. Step 5: Solve for x
    x = 880,770,234.05/31,563.73
  6. Step 6: Final answer
    x = 27,904.50

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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.