Home / 36,418.05-50,251.32-20,499.12

Finding the Fourth Proportional to 36,418.05, 50,251.32 and 20,499.12

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Solution

The fourth proportional to 36,418.05, 50,251.32 and 20,499.12 is: 28,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,418.05 : 50,251.32 = 20,499.12 : x
  2. Step 2: Convert to fraction form
    36,418.05/50,251.32 = 20,499.12/x
  3. Step 3: Cross multiply
    36,418.05x = 50,251.32 × 20,499.12
  4. Step 4: Simplify right side
    36,418.05x = 1,030,107,838.84
  5. Step 5: Solve for x
    x = 1,030,107,838.84/36,418.05
  6. Step 6: Final answer
    x = 28,285.64

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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.