Home / 33,261.40-45,902.46-19,115.56

Finding the Fourth Proportional to 33,261.40, 45,902.46 and 19,115.56

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Solution

The fourth proportional to 33,261.40, 45,902.46 and 19,115.56 is: 26,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,261.40 : 45,902.46 = 19,115.56 : x
  2. Step 2: Convert to fraction form
    33,261.40/45,902.46 = 19,115.56/x
  3. Step 3: Cross multiply
    33,261.40x = 45,902.46 × 19,115.56
  4. Step 4: Simplify right side
    33,261.40x = 877,451,228.28
  5. Step 5: Solve for x
    x = 877,451,228.28/33,261.40
  6. Step 6: Final answer
    x = 26,380.47

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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.