Home / 36,899.59-50,919.90-21,797.11

Finding the Fourth Proportional to 36,899.59, 50,919.90 and 21,797.11

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Solution

The fourth proportional to 36,899.59, 50,919.90 and 21,797.11 is: 30,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,899.59 : 50,919.90 = 21,797.11 : x
  2. Step 2: Convert to fraction form
    36,899.59/50,919.90 = 21,797.11/x
  3. Step 3: Cross multiply
    36,899.59x = 50,919.90 × 21,797.11
  4. Step 4: Simplify right side
    36,899.59x = 1,109,906,661.49
  5. Step 5: Solve for x
    x = 1,109,906,661.49/36,899.59
  6. Step 6: Final answer
    x = 30,079.11

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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.