Home / 33,080.66-45,632.13-21,752.18

Finding the Fourth Proportional to 33,080.66, 45,632.13 and 21,752.18

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Solution

The fourth proportional to 33,080.66, 45,632.13 and 21,752.18 is: 30,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,080.66 : 45,632.13 = 21,752.18 : x
  2. Step 2: Convert to fraction form
    33,080.66/45,632.13 = 21,752.18/x
  3. Step 3: Cross multiply
    33,080.66x = 45,632.13 × 21,752.18
  4. Step 4: Simplify right side
    33,080.66x = 992,598,305.54
  5. Step 5: Solve for x
    x = 992,598,305.54/33,080.66
  6. Step 6: Final answer
    x = 30,005.40

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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.