Home / 29,982.10-44,989.35-12,453.70

Finding the Fourth Proportional to 29,982.10, 44,989.35 and 12,453.70

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Solution

The fourth proportional to 29,982.10, 44,989.35 and 12,453.70 is: 18,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,982.10 : 44,989.35 = 12,453.70 : x
  2. Step 2: Convert to fraction form
    29,982.10/44,989.35 = 12,453.70/x
  3. Step 3: Cross multiply
    29,982.10x = 44,989.35 × 12,453.70
  4. Step 4: Simplify right side
    29,982.10x = 560,283,868.10
  5. Step 5: Solve for x
    x = 560,283,868.10/29,982.10
  6. Step 6: Final answer
    x = 18,687.28

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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.