Home / 38,550.53-57,813.40-12,249.12

Finding the Fourth Proportional to 38,550.53, 57,813.40 and 12,249.12

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Solution

The fourth proportional to 38,550.53, 57,813.40 and 12,249.12 is: 18,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,550.53 : 57,813.40 = 12,249.12 : x
  2. Step 2: Convert to fraction form
    38,550.53/57,813.40 = 12,249.12/x
  3. Step 3: Cross multiply
    38,550.53x = 57,813.40 × 12,249.12
  4. Step 4: Simplify right side
    38,550.53x = 708,163,274.21
  5. Step 5: Solve for x
    x = 708,163,274.21/38,550.53
  6. Step 6: Final answer
    x = 18,369.74

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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.