Home / 33,080.16-45,631.44-21,751.68

Finding the Fourth Proportional to 33,080.16, 45,631.44 and 21,751.68

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Solution

The fourth proportional to 33,080.16, 45,631.44 and 21,751.68 is: 30,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,080.16 : 45,631.44 = 21,751.68 : x
  2. Step 2: Convert to fraction form
    33,080.16/45,631.44 = 21,751.68/x
  3. Step 3: Cross multiply
    33,080.16x = 45,631.44 × 21,751.68
  4. Step 4: Simplify right side
    33,080.16x = 992,560,480.82
  5. Step 5: Solve for x
    x = 992,560,480.82/33,080.16
  6. Step 6: Final answer
    x = 30,004.71

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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.