Home / 40,192.26-60,325.60-20,485.50

Finding the Fourth Proportional to 40,192.26, 60,325.60 and 20,485.50

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Solution

The fourth proportional to 40,192.26, 60,325.60 and 20,485.50 is: 30,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,192.26 : 60,325.60 = 20,485.50 : x
  2. Step 2: Convert to fraction form
    40,192.26/60,325.60 = 20,485.50/x
  3. Step 3: Cross multiply
    40,192.26x = 60,325.60 × 20,485.50
  4. Step 4: Simplify right side
    40,192.26x = 1,235,800,078.80
  5. Step 5: Solve for x
    x = 1,235,800,078.80/40,192.26
  6. Step 6: Final answer
    x = 30,747.22

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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.