Home / 40,433.26-60,662.12-20,725.78

Finding the Fourth Proportional to 40,433.26, 60,662.12 and 20,725.78

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Solution

The fourth proportional to 40,433.26, 60,662.12 and 20,725.78 is: 31,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,433.26 : 60,662.12 = 20,725.78 : x
  2. Step 2: Convert to fraction form
    40,433.26/60,662.12 = 20,725.78/x
  3. Step 3: Cross multiply
    40,433.26x = 60,662.12 × 20,725.78
  4. Step 4: Simplify right side
    40,433.26x = 1,257,269,753.45
  5. Step 5: Solve for x
    x = 1,257,269,753.45/40,433.26
  6. Step 6: Final answer
    x = 31,094.94

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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.