Home / 40,209.82-55,453.20-25,103.86

Finding the Fourth Proportional to 40,209.82, 55,453.20 and 25,103.86

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Solution

The fourth proportional to 40,209.82, 55,453.20 and 25,103.86 is: 34,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,209.82 : 55,453.20 = 25,103.86 : x
  2. Step 2: Convert to fraction form
    40,209.82/55,453.20 = 25,103.86/x
  3. Step 3: Cross multiply
    40,209.82x = 55,453.20 × 25,103.86
  4. Step 4: Simplify right side
    40,209.82x = 1,392,089,369.35
  5. Step 5: Solve for x
    x = 1,392,089,369.35/40,209.82
  6. Step 6: Final answer
    x = 34,620.63

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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.