Home / 38,340.10-57,519.69-30,472.30

Finding the Fourth Proportional to 38,340.10, 57,519.69 and 30,472.30

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Solution

The fourth proportional to 38,340.10, 57,519.69 and 30,472.30 is: 45,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.10 : 57,519.69 = 30,472.30 : x
  2. Step 2: Convert to fraction form
    38,340.10/57,519.69 = 30,472.30/x
  3. Step 3: Cross multiply
    38,340.10x = 57,519.69 × 30,472.30
  4. Step 4: Simplify right side
    38,340.10x = 1,752,757,249.59
  5. Step 5: Solve for x
    x = 1,752,757,249.59/38,340.10
  6. Step 6: Final answer
    x = 45,716.03

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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.