Home / 33,504.12-46,239.39-21,415.77

Finding the Fourth Proportional to 33,504.12, 46,239.39 and 21,415.77

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Solution

The fourth proportional to 33,504.12, 46,239.39 and 21,415.77 is: 29,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,504.12 : 46,239.39 = 21,415.77 : x
  2. Step 2: Convert to fraction form
    33,504.12/46,239.39 = 21,415.77/x
  3. Step 3: Cross multiply
    33,504.12x = 46,239.39 × 21,415.77
  4. Step 4: Simplify right side
    33,504.12x = 990,252,141.18
  5. Step 5: Solve for x
    x = 990,252,141.18/33,504.12
  6. Step 6: Final answer
    x = 29,556.13

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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.