Home / 45,367.52-68,006.93-20,413.85

Finding the Fourth Proportional to 45,367.52, 68,006.93 and 20,413.85

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Solution

The fourth proportional to 45,367.52, 68,006.93 and 20,413.85 is: 30,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,367.52 : 68,006.93 = 20,413.85 : x
  2. Step 2: Convert to fraction form
    45,367.52/68,006.93 = 20,413.85/x
  3. Step 3: Cross multiply
    45,367.52x = 68,006.93 × 20,413.85
  4. Step 4: Simplify right side
    45,367.52x = 1,388,282,825.88
  5. Step 5: Solve for x
    x = 1,388,282,825.88/45,367.52
  6. Step 6: Final answer
    x = 30,600.81

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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.