Home / 50,065.78-69,067.45-28,832.75

Finding the Fourth Proportional to 50,065.78, 69,067.45 and 28,832.75

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Solution

The fourth proportional to 50,065.78, 69,067.45 and 28,832.75 is: 39,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,065.78 : 69,067.45 = 28,832.75 : x
  2. Step 2: Convert to fraction form
    50,065.78/69,067.45 = 28,832.75/x
  3. Step 3: Cross multiply
    50,065.78x = 69,067.45 × 28,832.75
  4. Step 4: Simplify right side
    50,065.78x = 1,991,404,518.99
  5. Step 5: Solve for x
    x = 1,991,404,518.99/50,065.78
  6. Step 6: Final answer
    x = 39,775.76

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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.