Home / 33,046.91-45,585.64-21,096.78

Finding the Fourth Proportional to 33,046.91, 45,585.64 and 21,096.78

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Solution

The fourth proportional to 33,046.91, 45,585.64 and 21,096.78 is: 29,101.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,046.91 : 45,585.64 = 21,096.78 : x
  2. Step 2: Convert to fraction form
    33,046.91/45,585.64 = 21,096.78/x
  3. Step 3: Cross multiply
    33,046.91x = 45,585.64 × 21,096.78
  4. Step 4: Simplify right side
    33,046.91x = 961,709,990.31
  5. Step 5: Solve for x
    x = 961,709,990.31/33,046.91
  6. Step 6: Final answer
    x = 29,101.36

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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.