Home / 33,164.62-45,782.81-21,234.87

Finding the Fourth Proportional to 33,164.62, 45,782.81 and 21,234.87

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Solution

The fourth proportional to 33,164.62, 45,782.81 and 21,234.87 is: 29,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,164.62 : 45,782.81 = 21,234.87 : x
  2. Step 2: Convert to fraction form
    33,164.62/45,782.81 = 21,234.87/x
  3. Step 3: Cross multiply
    33,164.62x = 45,782.81 × 21,234.87
  4. Step 4: Simplify right side
    33,164.62x = 972,192,018.58
  5. Step 5: Solve for x
    x = 972,192,018.58/33,164.62
  6. Step 6: Final answer
    x = 29,314.13

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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.