Home / 45,367.27-68,006.55-20,413.60

Finding the Fourth Proportional to 45,367.27, 68,006.55 and 20,413.60

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Solution

The fourth proportional to 45,367.27, 68,006.55 and 20,413.60 is: 30,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,367.27 : 68,006.55 = 20,413.60 : x
  2. Step 2: Convert to fraction form
    45,367.27/68,006.55 = 20,413.60/x
  3. Step 3: Cross multiply
    45,367.27x = 68,006.55 × 20,413.60
  4. Step 4: Simplify right side
    45,367.27x = 1,388,258,509.08
  5. Step 5: Solve for x
    x = 1,388,258,509.08/45,367.27
  6. Step 6: Final answer
    x = 30,600.44

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1.5x scale

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.