Home / 33,785.20-50,688.60-11,612.80

Finding the Fourth Proportional to 33,785.20, 50,688.60 and 11,612.80

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Solution

The fourth proportional to 33,785.20, 50,688.60 and 11,612.80 is: 17,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,785.20 : 50,688.60 = 11,612.80 : x
  2. Step 2: Convert to fraction form
    33,785.20/50,688.60 = 11,612.80/x
  3. Step 3: Cross multiply
    33,785.20x = 50,688.60 × 11,612.80
  4. Step 4: Simplify right side
    33,785.20x = 588,636,574.08
  5. Step 5: Solve for x
    x = 588,636,574.08/33,785.20
  6. Step 6: Final answer
    x = 17,422.91

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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.