Home / 33,270.10-45,917.36-19,122.64

Finding the Fourth Proportional to 33,270.10, 45,917.36 and 19,122.64

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Solution

The fourth proportional to 33,270.10, 45,917.36 and 19,122.64 is: 26,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,270.10 : 45,917.36 = 19,122.64 : x
  2. Step 2: Convert to fraction form
    33,270.10/45,917.36 = 19,122.64/x
  3. Step 3: Cross multiply
    33,270.10x = 45,917.36 × 19,122.64
  4. Step 4: Simplify right side
    33,270.10x = 878,061,145.03
  5. Step 5: Solve for x
    x = 878,061,145.03/33,270.10
  6. Step 6: Final answer
    x = 26,391.90

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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.