Home / 38,296.98-57,445.53-18,578.43

Finding the Fourth Proportional to 38,296.98, 57,445.53 and 18,578.43

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Solution

The fourth proportional to 38,296.98, 57,445.53 and 18,578.43 is: 27,867.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,296.98 : 57,445.53 = 18,578.43 : x
  2. Step 2: Convert to fraction form
    38,296.98/57,445.53 = 18,578.43/x
  3. Step 3: Cross multiply
    38,296.98x = 57,445.53 × 18,578.43
  4. Step 4: Simplify right side
    38,296.98x = 1,067,247,757.92
  5. Step 5: Solve for x
    x = 1,067,247,757.92/38,296.98
  6. Step 6: Final answer
    x = 27,867.67

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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.