Home / 36,390.42-50,216.04-20,471.76

Finding the Fourth Proportional to 36,390.42, 50,216.04 and 20,471.76

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Solution

The fourth proportional to 36,390.42, 50,216.04 and 20,471.76 is: 28,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,390.42 : 50,216.04 = 20,471.76 : x
  2. Step 2: Convert to fraction form
    36,390.42/50,216.04 = 20,471.76/x
  3. Step 3: Cross multiply
    36,390.42x = 50,216.04 × 20,471.76
  4. Step 4: Simplify right side
    36,390.42x = 1,028,010,719.03
  5. Step 5: Solve for x
    x = 1,028,010,719.03/36,390.42
  6. Step 6: Final answer
    x = 28,249.49

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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.