Home / 36,285.36-50,072.90-20,369.48

Finding the Fourth Proportional to 36,285.36, 50,072.90 and 20,369.48

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Solution

The fourth proportional to 36,285.36, 50,072.90 and 20,369.48 is: 28,109.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,285.36 : 50,072.90 = 20,369.48 : x
  2. Step 2: Convert to fraction form
    36,285.36/50,072.90 = 20,369.48/x
  3. Step 3: Cross multiply
    36,285.36x = 50,072.90 × 20,369.48
  4. Step 4: Simplify right side
    36,285.36x = 1,019,958,935.09
  5. Step 5: Solve for x
    x = 1,019,958,935.09/36,285.36
  6. Step 6: Final answer
    x = 28,109.38

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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.