Home / 31,299.82-43,170.87-22,804.54

Finding the Fourth Proportional to 31,299.82, 43,170.87 and 22,804.54

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Solution

The fourth proportional to 31,299.82, 43,170.87 and 22,804.54 is: 31,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.82 : 43,170.87 = 22,804.54 : x
  2. Step 2: Convert to fraction form
    31,299.82/43,170.87 = 22,804.54/x
  3. Step 3: Cross multiply
    31,299.82x = 43,170.87 × 22,804.54
  4. Step 4: Simplify right side
    31,299.82x = 984,491,809.34
  5. Step 5: Solve for x
    x = 984,491,809.34/31,299.82
  6. Step 6: Final answer
    x = 31,453.60

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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.