Home / 35,028.78-48,338.42-19,112.90

Finding the Fourth Proportional to 35,028.78, 48,338.42 and 19,112.90

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Solution

The fourth proportional to 35,028.78, 48,338.42 and 19,112.90 is: 26,375.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,028.78 : 48,338.42 = 19,112.90 : x
  2. Step 2: Convert to fraction form
    35,028.78/48,338.42 = 19,112.90/x
  3. Step 3: Cross multiply
    35,028.78x = 48,338.42 × 19,112.90
  4. Step 4: Simplify right side
    35,028.78x = 923,887,387.62
  5. Step 5: Solve for x
    x = 923,887,387.62/35,028.78
  6. Step 6: Final answer
    x = 26,375.09

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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.