Home / 33,297.72-45,957.30-21,376.12

Finding the Fourth Proportional to 33,297.72, 45,957.30 and 21,376.12

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Solution

The fourth proportional to 33,297.72, 45,957.30 and 21,376.12 is: 29,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,297.72 : 45,957.30 = 21,376.12 : x
  2. Step 2: Convert to fraction form
    33,297.72/45,957.30 = 21,376.12/x
  3. Step 3: Cross multiply
    33,297.72x = 45,957.30 × 21,376.12
  4. Step 4: Simplify right side
    33,297.72x = 982,388,759.68
  5. Step 5: Solve for x
    x = 982,388,759.68/33,297.72
  6. Step 6: Final answer
    x = 29,503.18

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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.