Home / 30,467.28-45,682.46-19,924.57

Finding the Fourth Proportional to 30,467.28, 45,682.46 and 19,924.57

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Solution

The fourth proportional to 30,467.28, 45,682.46 and 19,924.57 is: 29,874.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.28 : 45,682.46 = 19,924.57 : x
  2. Step 2: Convert to fraction form
    30,467.28/45,682.46 = 19,924.57/x
  3. Step 3: Cross multiply
    30,467.28x = 45,682.46 × 19,924.57
  4. Step 4: Simplify right side
    30,467.28x = 910,203,372.04
  5. Step 5: Solve for x
    x = 910,203,372.04/30,467.28
  6. Step 6: Final answer
    x = 29,874.78

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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.