Home / 19,879.29-29,811.62-5,835.71

Finding the Fourth Proportional to 19,879.29, 29,811.62 and 5,835.71

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Solution

The fourth proportional to 19,879.29, 29,811.62 and 5,835.71 is: 8,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879.29 : 29,811.62 = 5,835.71 : x
  2. Step 2: Convert to fraction form
    19,879.29/29,811.62 = 5,835.71/x
  3. Step 3: Cross multiply
    19,879.29x = 29,811.62 × 5,835.71
  4. Step 4: Simplify right side
    19,879.29x = 173,972,058.07
  5. Step 5: Solve for x
    x = 173,972,058.07/19,879.29
  6. Step 6: Final answer
    x = 8,751.42

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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.