Home / 33,645.36-46,429.92-21,077.04

Finding the Fourth Proportional to 33,645.36, 46,429.92 and 21,077.04

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Solution

The fourth proportional to 33,645.36, 46,429.92 and 21,077.04 is: 29,085.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,645.36 : 46,429.92 = 21,077.04 : x
  2. Step 2: Convert to fraction form
    33,645.36/46,429.92 = 21,077.04/x
  3. Step 3: Cross multiply
    33,645.36x = 46,429.92 × 21,077.04
  4. Step 4: Simplify right side
    33,645.36x = 978,605,281.04
  5. Step 5: Solve for x
    x = 978,605,281.04/33,645.36
  6. Step 6: Final answer
    x = 29,085.89

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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.