Home / 33,084.16-45,636.96-21,755.68

Finding the Fourth Proportional to 33,084.16, 45,636.96 and 21,755.68

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Solution

The fourth proportional to 33,084.16, 45,636.96 and 21,755.68 is: 30,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,084.16 : 45,636.96 = 21,755.68 : x
  2. Step 2: Convert to fraction form
    33,084.16/45,636.96 = 21,755.68/x
  3. Step 3: Cross multiply
    33,084.16x = 45,636.96 × 21,755.68
  4. Step 4: Simplify right side
    33,084.16x = 992,863,097.93
  5. Step 5: Solve for x
    x = 992,863,097.93/33,084.16
  6. Step 6: Final answer
    x = 30,010.23

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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.