Home / 44,938.20-67,431.60-19,982.10

Finding the Fourth Proportional to 44,938.20, 67,431.60 and 19,982.10

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Solution

The fourth proportional to 44,938.20, 67,431.60 and 19,982.10 is: 29,983.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,938.20 : 67,431.60 = 19,982.10 : x
  2. Step 2: Convert to fraction form
    44,938.20/67,431.60 = 19,982.10/x
  3. Step 3: Cross multiply
    44,938.20x = 67,431.60 × 19,982.10
  4. Step 4: Simplify right side
    44,938.20x = 1,347,424,974.36
  5. Step 5: Solve for x
    x = 1,347,424,974.36/44,938.20
  6. Step 6: Final answer
    x = 29,983.96

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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.