Home / 33,646.36-46,431.30-21,078.04

Finding the Fourth Proportional to 33,646.36, 46,431.30 and 21,078.04

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Solution

The fourth proportional to 33,646.36, 46,431.30 and 21,078.04 is: 29,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,646.36 : 46,431.30 = 21,078.04 : x
  2. Step 2: Convert to fraction form
    33,646.36/46,431.30 = 21,078.04/x
  3. Step 3: Cross multiply
    33,646.36x = 46,431.30 × 21,078.04
  4. Step 4: Simplify right side
    33,646.36x = 978,680,798.65
  5. Step 5: Solve for x
    x = 978,680,798.65/33,646.36
  6. Step 6: Final answer
    x = 29,087.27

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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.