Home / 41,879.20-57,786.78-26,785.36

Finding the Fourth Proportional to 41,879.20, 57,786.78 and 26,785.36

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Solution

The fourth proportional to 41,879.20, 57,786.78 and 26,785.36 is: 36,959.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,879.20 : 57,786.78 = 26,785.36 : x
  2. Step 2: Convert to fraction form
    41,879.20/57,786.78 = 26,785.36/x
  3. Step 3: Cross multiply
    41,879.20x = 57,786.78 × 26,785.36
  4. Step 4: Simplify right side
    41,879.20x = 1,547,839,705.54
  5. Step 5: Solve for x
    x = 1,547,839,705.54/41,879.20
  6. Step 6: Final answer
    x = 36,959.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.