Home / 39,067.62-53,872.98-33,421.08

Finding the Fourth Proportional to 39,067.62, 53,872.98 and 33,421.08

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Solution

The fourth proportional to 39,067.62, 53,872.98 and 33,421.08 is: 46,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,067.62 : 53,872.98 = 33,421.08 : x
  2. Step 2: Convert to fraction form
    39,067.62/53,872.98 = 33,421.08/x
  3. Step 3: Cross multiply
    39,067.62x = 53,872.98 × 33,421.08
  4. Step 4: Simplify right side
    39,067.62x = 1,800,493,174.42
  5. Step 5: Solve for x
    x = 1,800,493,174.42/39,067.62
  6. Step 6: Final answer
    x = 46,086.58

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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.