Home / 33,083.16-45,635.58-21,754.68

Finding the Fourth Proportional to 33,083.16, 45,635.58 and 21,754.68

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Solution

The fourth proportional to 33,083.16, 45,635.58 and 21,754.68 is: 30,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,083.16 : 45,635.58 = 21,754.68 : x
  2. Step 2: Convert to fraction form
    33,083.16/45,635.58 = 21,754.68/x
  3. Step 3: Cross multiply
    33,083.16x = 45,635.58 × 21,754.68
  4. Step 4: Simplify right side
    33,083.16x = 992,787,439.51
  5. Step 5: Solve for x
    x = 992,787,439.51/33,083.16
  6. Step 6: Final answer
    x = 30,008.85

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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.