Home / 33,361.12-46,016.64-21,405.52

Finding the Fourth Proportional to 33,361.12, 46,016.64 and 21,405.52

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Solution

The fourth proportional to 33,361.12, 46,016.64 and 21,405.52 is: 29,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,361.12 : 46,016.64 = 21,405.52 : x
  2. Step 2: Convert to fraction form
    33,361.12/46,016.64 = 21,405.52/x
  3. Step 3: Cross multiply
    33,361.12x = 46,016.64 × 21,405.52
  4. Step 4: Simplify right side
    33,361.12x = 985,010,107.85
  5. Step 5: Solve for x
    x = 985,010,107.85/33,361.12
  6. Step 6: Final answer
    x = 29,525.69

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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.