Home / 33,039.73-45,632.66-21,759.63

Finding the Fourth Proportional to 33,039.73, 45,632.66 and 21,759.63

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Solution

The fourth proportional to 33,039.73, 45,632.66 and 21,759.63 is: 30,053.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,039.73 : 45,632.66 = 21,759.63 : x
  2. Step 2: Convert to fraction form
    33,039.73/45,632.66 = 21,759.63/x
  3. Step 3: Cross multiply
    33,039.73x = 45,632.66 × 21,759.63
  4. Step 4: Simplify right side
    33,039.73x = 992,949,797.52
  5. Step 5: Solve for x
    x = 992,949,797.52/33,039.73
  6. Step 6: Final answer
    x = 30,053.21

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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.