Home / 40,327.27-60,503.21-20,619.66

Finding the Fourth Proportional to 40,327.27, 60,503.21 and 20,619.66

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Solution

The fourth proportional to 40,327.27, 60,503.21 and 20,619.66 is: 30,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,327.27 : 60,503.21 = 20,619.66 : x
  2. Step 2: Convert to fraction form
    40,327.27/60,503.21 = 20,619.66/x
  3. Step 3: Cross multiply
    40,327.27x = 60,503.21 × 20,619.66
  4. Step 4: Simplify right side
    40,327.27x = 1,247,555,820.22
  5. Step 5: Solve for x
    x = 1,247,555,820.22/40,327.27
  6. Step 6: Final answer
    x = 30,935.79

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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.