Home / 40,451.94-60,672.24-20,730.60

Finding the Fourth Proportional to 40,451.94, 60,672.24 and 20,730.60

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Solution

The fourth proportional to 40,451.94, 60,672.24 and 20,730.60 is: 31,092.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,451.94 : 60,672.24 = 20,730.60 : x
  2. Step 2: Convert to fraction form
    40,451.94/60,672.24 = 20,730.60/x
  3. Step 3: Cross multiply
    40,451.94x = 60,672.24 × 20,730.60
  4. Step 4: Simplify right side
    40,451.94x = 1,257,771,938.54
  5. Step 5: Solve for x
    x = 1,257,771,938.54/40,451.94
  6. Step 6: Final answer
    x = 31,092.99

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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.