Home / 50,067.48-69,110.37-28,855.20

Finding the Fourth Proportional to 50,067.48, 69,110.37 and 28,855.20

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Solution

The fourth proportional to 50,067.48, 69,110.37 and 28,855.20 is: 39,830.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,067.48 : 69,110.37 = 28,855.20 : x
  2. Step 2: Convert to fraction form
    50,067.48/69,110.37 = 28,855.20/x
  3. Step 3: Cross multiply
    50,067.48x = 69,110.37 × 28,855.20
  4. Step 4: Simplify right side
    50,067.48x = 1,994,193,548.42
  5. Step 5: Solve for x
    x = 1,994,193,548.42/50,067.48
  6. Step 6: Final answer
    x = 39,830.12

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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.