Home / 36,388.56-54,464.42-20,351.64

Finding the Fourth Proportional to 36,388.56, 54,464.42 and 20,351.64

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Solution

The fourth proportional to 36,388.56, 54,464.42 and 20,351.64 is: 30,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,388.56 : 54,464.42 = 20,351.64 : x
  2. Step 2: Convert to fraction form
    36,388.56/54,464.42 = 20,351.64/x
  3. Step 3: Cross multiply
    36,388.56x = 54,464.42 × 20,351.64
  4. Step 4: Simplify right side
    36,388.56x = 1,108,440,268.65
  5. Step 5: Solve for x
    x = 1,108,440,268.65/36,388.56
  6. Step 6: Final answer
    x = 30,461.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.