Home / 38,204.70-57,324.24-20,653.98

Finding the Fourth Proportional to 38,204.70, 57,324.24 and 20,653.98

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Solution

The fourth proportional to 38,204.70, 57,324.24 and 20,653.98 is: 30,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,204.70 : 57,324.24 = 20,653.98 : x
  2. Step 2: Convert to fraction form
    38,204.70/57,324.24 = 20,653.98/x
  3. Step 3: Cross multiply
    38,204.70x = 57,324.24 × 20,653.98
  4. Step 4: Simplify right side
    38,204.70x = 1,183,973,706.48
  5. Step 5: Solve for x
    x = 1,183,973,706.48/38,204.70
  6. Step 6: Final answer
    x = 30,990.26

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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.