Home / 36,805.09-50,791.27-20,889.81

Finding the Fourth Proportional to 36,805.09, 50,791.27 and 20,889.81

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Solution

The fourth proportional to 36,805.09, 50,791.27 and 20,889.81 is: 28,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,805.09 : 50,791.27 = 20,889.81 : x
  2. Step 2: Convert to fraction form
    36,805.09/50,791.27 = 20,889.81/x
  3. Step 3: Cross multiply
    36,805.09x = 50,791.27 × 20,889.81
  4. Step 4: Simplify right side
    36,805.09x = 1,061,019,979.96
  5. Step 5: Solve for x
    x = 1,061,019,979.96/36,805.09
  6. Step 6: Final answer
    x = 28,828.08

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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.