Home / 33,622.81-50,434.13-8,660.77

Finding the Fourth Proportional to 33,622.81, 50,434.13 and 8,660.77

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Solution

The fourth proportional to 33,622.81, 50,434.13 and 8,660.77 is: 12,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,622.81 : 50,434.13 = 8,660.77 : x
  2. Step 2: Convert to fraction form
    33,622.81/50,434.13 = 8,660.77/x
  3. Step 3: Cross multiply
    33,622.81x = 50,434.13 × 8,660.77
  4. Step 4: Simplify right side
    33,622.81x = 436,798,230.69
  5. Step 5: Solve for x
    x = 436,798,230.69/33,622.81
  6. Step 6: Final answer
    x = 12,991.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.