Home / 36,309.19-50,111.38-20,393.64

Finding the Fourth Proportional to 36,309.19, 50,111.38 and 20,393.64

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Solution

The fourth proportional to 36,309.19, 50,111.38 and 20,393.64 is: 28,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.19 : 50,111.38 = 20,393.64 : x
  2. Step 2: Convert to fraction form
    36,309.19/50,111.38 = 20,393.64/x
  3. Step 3: Cross multiply
    36,309.19x = 50,111.38 × 20,393.64
  4. Step 4: Simplify right side
    36,309.19x = 1,021,953,443.62
  5. Step 5: Solve for x
    x = 1,021,953,443.62/36,309.19
  6. Step 6: Final answer
    x = 28,145.86

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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.