Home / 36,691.64-50,633.44-20,777.60

Finding the Fourth Proportional to 36,691.64, 50,633.44 and 20,777.60

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Solution

The fourth proportional to 36,691.64, 50,633.44 and 20,777.60 is: 28,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.64 : 50,633.44 = 20,777.60 : x
  2. Step 2: Convert to fraction form
    36,691.64/50,633.44 = 20,777.60/x
  3. Step 3: Cross multiply
    36,691.64x = 50,633.44 × 20,777.60
  4. Step 4: Simplify right side
    36,691.64x = 1,052,041,362.94
  5. Step 5: Solve for x
    x = 1,052,041,362.94/36,691.64
  6. Step 6: Final answer
    x = 28,672.51

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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.