Home / 39,621.60-59,413.20-22,072.80

Finding the Fourth Proportional to 39,621.60, 59,413.20 and 22,072.80

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Solution

The fourth proportional to 39,621.60, 59,413.20 and 22,072.80 is: 33,098.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,621.60 : 59,413.20 = 22,072.80 : x
  2. Step 2: Convert to fraction form
    39,621.60/59,413.20 = 22,072.80/x
  3. Step 3: Cross multiply
    39,621.60x = 59,413.20 × 22,072.80
  4. Step 4: Simplify right side
    39,621.60x = 1,311,415,680.96
  5. Step 5: Solve for x
    x = 1,311,415,680.96/39,621.60
  6. Step 6: Final answer
    x = 33,098.50

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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.