Home / 45,413.27-68,097.12-28,806.65

Finding the Fourth Proportional to 45,413.27, 68,097.12 and 28,806.65

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Solution

The fourth proportional to 45,413.27, 68,097.12 and 28,806.65 is: 43,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,413.27 : 68,097.12 = 28,806.65 : x
  2. Step 2: Convert to fraction form
    45,413.27/68,097.12 = 28,806.65/x
  3. Step 3: Cross multiply
    45,413.27x = 68,097.12 × 28,806.65
  4. Step 4: Simplify right side
    45,413.27x = 1,961,649,901.85
  5. Step 5: Solve for x
    x = 1,961,649,901.85/45,413.27
  6. Step 6: Final answer
    x = 43,195.52

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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.