Home / 36,893.12-50,912.64-20,982.80

Finding the Fourth Proportional to 36,893.12, 50,912.64 and 20,982.80

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Solution

The fourth proportional to 36,893.12, 50,912.64 and 20,982.80 is: 28,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,893.12 : 50,912.64 = 20,982.80 : x
  2. Step 2: Convert to fraction form
    36,893.12/50,912.64 = 20,982.80/x
  3. Step 3: Cross multiply
    36,893.12x = 50,912.64 × 20,982.80
  4. Step 4: Simplify right side
    36,893.12x = 1,068,289,742.59
  5. Step 5: Solve for x
    x = 1,068,289,742.59/36,893.12
  6. Step 6: Final answer
    x = 28,956.34

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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.