Home / 40,336.20-60,516.62-20,628.60

Finding the Fourth Proportional to 40,336.20, 60,516.62 and 20,628.60

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Solution

The fourth proportional to 40,336.20, 60,516.62 and 20,628.60 is: 30,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,336.20 : 60,516.62 = 20,628.60 : x
  2. Step 2: Convert to fraction form
    40,336.20/60,516.62 = 20,628.60/x
  3. Step 3: Cross multiply
    40,336.20x = 60,516.62 × 20,628.60
  4. Step 4: Simplify right side
    40,336.20x = 1,248,373,147.33
  5. Step 5: Solve for x
    x = 1,248,373,147.33/40,336.20
  6. Step 6: Final answer
    x = 30,949.20

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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.