Home / 31,226.08-46,806.30-19,379.82

Finding the Fourth Proportional to 31,226.08, 46,806.30 and 19,379.82

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Solution

The fourth proportional to 31,226.08, 46,806.30 and 19,379.82 is: 29,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,226.08 : 46,806.30 = 19,379.82 : x
  2. Step 2: Convert to fraction form
    31,226.08/46,806.30 = 19,379.82/x
  3. Step 3: Cross multiply
    31,226.08x = 46,806.30 × 19,379.82
  4. Step 4: Simplify right side
    31,226.08x = 907,097,668.87
  5. Step 5: Solve for x
    x = 907,097,668.87/31,226.08
  6. Step 6: Final answer
    x = 29,049.36

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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.