Home / 29,453.10-44,179.65-20,121.90

Finding the Fourth Proportional to 29,453.10, 44,179.65 and 20,121.90

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Solution

The fourth proportional to 29,453.10, 44,179.65 and 20,121.90 is: 30,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,453.10 : 44,179.65 = 20,121.90 : x
  2. Step 2: Convert to fraction form
    29,453.10/44,179.65 = 20,121.90/x
  3. Step 3: Cross multiply
    29,453.10x = 44,179.65 × 20,121.90
  4. Step 4: Simplify right side
    29,453.10x = 888,978,499.34
  5. Step 5: Solve for x
    x = 888,978,499.34/29,453.10
  6. Step 6: Final answer
    x = 30,182.85

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1.5x scale

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.