Home / 36,500.07-50,369-20,367.81

Finding the Fourth Proportional to 36,500.07, 50,369 and 20,367.81

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Solution

The fourth proportional to 36,500.07, 50,369 and 20,367.81 is: 28,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,500.07 : 50,369 = 20,367.81 : x
  2. Step 2: Convert to fraction form
    36,500.07/50,369 = 20,367.81/x
  3. Step 3: Cross multiply
    36,500.07x = 50,369 × 20,367.81
  4. Step 4: Simplify right side
    36,500.07x = 1,025,906,221.89
  5. Step 5: Solve for x
    x = 1,025,906,221.89/36,500.07
  6. Step 6: Final answer
    x = 28,106.97

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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.