Home / 36,826.42-50,820.79-20,911.21

Finding the Fourth Proportional to 36,826.42, 50,820.79 and 20,911.21

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Solution

The fourth proportional to 36,826.42, 50,820.79 and 20,911.21 is: 28,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,826.42 : 50,820.79 = 20,911.21 : x
  2. Step 2: Convert to fraction form
    36,826.42/50,820.79 = 20,911.21/x
  3. Step 3: Cross multiply
    36,826.42x = 50,820.79 × 20,911.21
  4. Step 4: Simplify right side
    36,826.42x = 1,062,724,212.06
  5. Step 5: Solve for x
    x = 1,062,724,212.06/36,826.42
  6. Step 6: Final answer
    x = 28,857.66

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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.