Home / 38,351.20-57,450.21-30,467.02

Finding the Fourth Proportional to 38,351.20, 57,450.21 and 30,467.02

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Solution

The fourth proportional to 38,351.20, 57,450.21 and 30,467.02 is: 45,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351.20 : 57,450.21 = 30,467.02 : x
  2. Step 2: Convert to fraction form
    38,351.20/57,450.21 = 30,467.02/x
  3. Step 3: Cross multiply
    38,351.20x = 57,450.21 × 30,467.02
  4. Step 4: Simplify right side
    38,351.20x = 1,750,336,697.07
  5. Step 5: Solve for x
    x = 1,750,336,697.07/38,351.20
  6. Step 6: Final answer
    x = 45,639.69

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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.