Home / 40,121.16-55,358.60-24,205.38

Finding the Fourth Proportional to 40,121.16, 55,358.60 and 24,205.38

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Solution

The fourth proportional to 40,121.16, 55,358.60 and 24,205.38 is: 33,398.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,121.16 : 55,358.60 = 24,205.38 : x
  2. Step 2: Convert to fraction form
    40,121.16/55,358.60 = 24,205.38/x
  3. Step 3: Cross multiply
    40,121.16x = 55,358.60 × 24,205.38
  4. Step 4: Simplify right side
    40,121.16x = 1,339,975,949.27
  5. Step 5: Solve for x
    x = 1,339,975,949.27/40,121.16
  6. Step 6: Final answer
    x = 33,398.24

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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.