Home / 36,399.72-50,231.70-20,484.36

Finding the Fourth Proportional to 36,399.72, 50,231.70 and 20,484.36

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Solution

The fourth proportional to 36,399.72, 50,231.70 and 20,484.36 is: 28,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399.72 : 50,231.70 = 20,484.36 : x
  2. Step 2: Convert to fraction form
    36,399.72/50,231.70 = 20,484.36/x
  3. Step 3: Cross multiply
    36,399.72x = 50,231.70 × 20,484.36
  4. Step 4: Simplify right side
    36,399.72x = 1,028,964,226.21
  5. Step 5: Solve for x
    x = 1,028,964,226.21/36,399.72
  6. Step 6: Final answer
    x = 28,268.47

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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.