Home / 33,668.79-46,429.38-21,738.30

Finding the Fourth Proportional to 33,668.79, 46,429.38 and 21,738.30

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Solution

The fourth proportional to 33,668.79, 46,429.38 and 21,738.30 is: 29,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,668.79 : 46,429.38 = 21,738.30 : x
  2. Step 2: Convert to fraction form
    33,668.79/46,429.38 = 21,738.30/x
  3. Step 3: Cross multiply
    33,668.79x = 46,429.38 × 21,738.30
  4. Step 4: Simplify right side
    33,668.79x = 1,009,295,791.25
  5. Step 5: Solve for x
    x = 1,009,295,791.25/33,668.79
  6. Step 6: Final answer
    x = 29,977.19

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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.