Home / 39,390.19-59,067.52-11,303.87

Finding the Fourth Proportional to 39,390.19, 59,067.52 and 11,303.87

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Solution

The fourth proportional to 39,390.19, 59,067.52 and 11,303.87 is: 16,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,390.19 : 59,067.52 = 11,303.87 : x
  2. Step 2: Convert to fraction form
    39,390.19/59,067.52 = 11,303.87/x
  3. Step 3: Cross multiply
    39,390.19x = 59,067.52 × 11,303.87
  4. Step 4: Simplify right side
    39,390.19x = 667,691,856.94
  5. Step 5: Solve for x
    x = 667,691,856.94/39,390.19
  6. Step 6: Final answer
    x = 16,950.71

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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.