Home / 36,200.04-49,958.10-20,289.60

Finding the Fourth Proportional to 36,200.04, 49,958.10 and 20,289.60

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Solution

The fourth proportional to 36,200.04, 49,958.10 and 20,289.60 is: 28,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,200.04 : 49,958.10 = 20,289.60 : x
  2. Step 2: Convert to fraction form
    36,200.04/49,958.10 = 20,289.60/x
  3. Step 3: Cross multiply
    36,200.04x = 49,958.10 × 20,289.60
  4. Step 4: Simplify right side
    36,200.04x = 1,013,629,865.76
  5. Step 5: Solve for x
    x = 1,013,629,865.76/36,200.04
  6. Step 6: Final answer
    x = 28,000.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.