Home / 40,221.16-55,375.78-34,544.68

Finding the Fourth Proportional to 40,221.16, 55,375.78 and 34,544.68

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Solution

The fourth proportional to 40,221.16, 55,375.78 and 34,544.68 is: 47,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.16 : 55,375.78 = 34,544.68 : x
  2. Step 2: Convert to fraction form
    40,221.16/55,375.78 = 34,544.68/x
  3. Step 3: Cross multiply
    40,221.16x = 55,375.78 × 34,544.68
  4. Step 4: Simplify right side
    40,221.16x = 1,912,938,599.85
  5. Step 5: Solve for x
    x = 1,912,938,599.85/40,221.16
  6. Step 6: Final answer
    x = 47,560.50

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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.