Home / 50,515.78-75,781.47-17,228.06

Finding the Fourth Proportional to 50,515.78, 75,781.47 and 17,228.06

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Solution

The fourth proportional to 50,515.78, 75,781.47 and 17,228.06 is: 25,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,515.78 : 75,781.47 = 17,228.06 : x
  2. Step 2: Convert to fraction form
    50,515.78/75,781.47 = 17,228.06/x
  3. Step 3: Cross multiply
    50,515.78x = 75,781.47 × 17,228.06
  4. Step 4: Simplify right side
    50,515.78x = 1,305,567,712.05
  5. Step 5: Solve for x
    x = 1,305,567,712.05/50,515.78
  6. Step 6: Final answer
    x = 25,844.75

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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.