Home / 36,278.88-50,074.92-21,174.72

Finding the Fourth Proportional to 36,278.88, 50,074.92 and 21,174.72

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Solution

The fourth proportional to 36,278.88, 50,074.92 and 21,174.72 is: 29,226.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278.88 : 50,074.92 = 21,174.72 : x
  2. Step 2: Convert to fraction form
    36,278.88/50,074.92 = 21,174.72/x
  3. Step 3: Cross multiply
    36,278.88x = 50,074.92 × 21,174.72
  4. Step 4: Simplify right side
    36,278.88x = 1,060,322,410.02
  5. Step 5: Solve for x
    x = 1,060,322,410.02/36,278.88
  6. Step 6: Final answer
    x = 29,226.99

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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.