Home / 40,399.10-60,504.68-38,997.53

Finding the Fourth Proportional to 40,399.10, 60,504.68 and 38,997.53

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Solution

The fourth proportional to 40,399.10, 60,504.68 and 38,997.53 is: 58,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,399.10 : 60,504.68 = 38,997.53 : x
  2. Step 2: Convert to fraction form
    40,399.10/60,504.68 = 38,997.53/x
  3. Step 3: Cross multiply
    40,399.10x = 60,504.68 × 38,997.53
  4. Step 4: Simplify right side
    40,399.10x = 2,359,532,868.41
  5. Step 5: Solve for x
    x = 2,359,532,868.41/40,399.10
  6. Step 6: Final answer
    x = 58,405.59

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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.