Home / 40,327.46-60,503.49-20,619.86

Finding the Fourth Proportional to 40,327.46, 60,503.49 and 20,619.86

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Solution

The fourth proportional to 40,327.46, 60,503.49 and 20,619.86 is: 30,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,327.46 : 60,503.49 = 20,619.86 : x
  2. Step 2: Convert to fraction form
    40,327.46/60,503.49 = 20,619.86/x
  3. Step 3: Cross multiply
    40,327.46x = 60,503.49 × 20,619.86
  4. Step 4: Simplify right side
    40,327.46x = 1,247,573,190.79
  5. Step 5: Solve for x
    x = 1,247,573,190.79/40,327.46
  6. Step 6: Final answer
    x = 30,936.08

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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.