Home / 36,238.74-50,004.63-20,105.79

Finding the Fourth Proportional to 36,238.74, 50,004.63 and 20,105.79

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Solution

The fourth proportional to 36,238.74, 50,004.63 and 20,105.79 is: 27,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,238.74 : 50,004.63 = 20,105.79 : x
  2. Step 2: Convert to fraction form
    36,238.74/50,004.63 = 20,105.79/x
  3. Step 3: Cross multiply
    36,238.74x = 50,004.63 × 20,105.79
  4. Step 4: Simplify right side
    36,238.74x = 1,005,382,589.81
  5. Step 5: Solve for x
    x = 1,005,382,589.81/36,238.74
  6. Step 6: Final answer
    x = 27,743.31

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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.