Home / 43,993.32-66,014.82-20,619.96

Finding the Fourth Proportional to 43,993.32, 66,014.82 and 20,619.96

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Solution

The fourth proportional to 43,993.32, 66,014.82 and 20,619.96 is: 30,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,993.32 : 66,014.82 = 20,619.96 : x
  2. Step 2: Convert to fraction form
    43,993.32/66,014.82 = 20,619.96/x
  3. Step 3: Cross multiply
    43,993.32x = 66,014.82 × 20,619.96
  4. Step 4: Simplify right side
    43,993.32x = 1,361,222,947.81
  5. Step 5: Solve for x
    x = 1,361,222,947.81/43,993.32
  6. Step 6: Final answer
    x = 30,941.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.