Home / 20,150.32-30,204.64-14,589.88

Finding the Fourth Proportional to 20,150.32, 30,204.64 and 14,589.88

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Solution

The fourth proportional to 20,150.32, 30,204.64 and 14,589.88 is: 21,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.32 : 30,204.64 = 14,589.88 : x
  2. Step 2: Convert to fraction form
    20,150.32/30,204.64 = 14,589.88/x
  3. Step 3: Cross multiply
    20,150.32x = 30,204.64 × 14,589.88
  4. Step 4: Simplify right side
    20,150.32x = 440,682,073.04
  5. Step 5: Solve for x
    x = 440,682,073.04/20,150.32
  6. Step 6: Final answer
    x = 21,869.73

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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.