Home / 42,067.92-63,126-17,103.36

Finding the Fourth Proportional to 42,067.92, 63,126 and 17,103.36

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Solution

The fourth proportional to 42,067.92, 63,126 and 17,103.36 is: 25,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,067.92 : 63,126 = 17,103.36 : x
  2. Step 2: Convert to fraction form
    42,067.92/63,126 = 17,103.36/x
  3. Step 3: Cross multiply
    42,067.92x = 63,126 × 17,103.36
  4. Step 4: Simplify right side
    42,067.92x = 1,079,666,703.36
  5. Step 5: Solve for x
    x = 1,079,666,703.36/42,067.92
  6. Step 6: Final answer
    x = 25,664.85

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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.