Home / 33,218.82-45,816.04-21,283.27

Finding the Fourth Proportional to 33,218.82, 45,816.04 and 21,283.27

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Solution

The fourth proportional to 33,218.82, 45,816.04 and 21,283.27 is: 29,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.82 : 45,816.04 = 21,283.27 : x
  2. Step 2: Convert to fraction form
    33,218.82/45,816.04 = 21,283.27/x
  3. Step 3: Cross multiply
    33,218.82x = 45,816.04 × 21,283.27
  4. Step 4: Simplify right side
    33,218.82x = 975,115,149.65
  5. Step 5: Solve for x
    x = 975,115,149.65/33,218.82
  6. Step 6: Final answer
    x = 29,354.30

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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.