Home / 33,249.17-45,900.58-21,161.81

Finding the Fourth Proportional to 33,249.17, 45,900.58 and 21,161.81

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Solution

The fourth proportional to 33,249.17, 45,900.58 and 21,161.81 is: 29,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,249.17 : 45,900.58 = 21,161.81 : x
  2. Step 2: Convert to fraction form
    33,249.17/45,900.58 = 21,161.81/x
  3. Step 3: Cross multiply
    33,249.17x = 45,900.58 × 21,161.81
  4. Step 4: Simplify right side
    33,249.17x = 971,339,247.04
  5. Step 5: Solve for x
    x = 971,339,247.04/33,249.17
  6. Step 6: Final answer
    x = 29,213.94

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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.