Home / 50,272.68-75,405.72-19,107.12

Finding the Fourth Proportional to 50,272.68, 75,405.72 and 19,107.12

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Solution

The fourth proportional to 50,272.68, 75,405.72 and 19,107.12 is: 28,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,272.68 : 75,405.72 = 19,107.12 : x
  2. Step 2: Convert to fraction form
    50,272.68/75,405.72 = 19,107.12/x
  3. Step 3: Cross multiply
    50,272.68x = 75,405.72 × 19,107.12
  4. Step 4: Simplify right side
    50,272.68x = 1,440,786,140.73
  5. Step 5: Solve for x
    x = 1,440,786,140.73/50,272.68
  6. Step 6: Final answer
    x = 28,659.43

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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.