Home / 33,811.87-46,644.66-21,879.06

Finding the Fourth Proportional to 33,811.87, 46,644.66 and 21,879.06

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Solution

The fourth proportional to 33,811.87, 46,644.66 and 21,879.06 is: 30,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,811.87 : 46,644.66 = 21,879.06 : x
  2. Step 2: Convert to fraction form
    33,811.87/46,644.66 = 21,879.06/x
  3. Step 3: Cross multiply
    33,811.87x = 46,644.66 × 21,879.06
  4. Step 4: Simplify right side
    33,811.87x = 1,020,541,314.82
  5. Step 5: Solve for x
    x = 1,020,541,314.82/33,811.87
  6. Step 6: Final answer
    x = 30,182.93

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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.