Home / 50,015.20-75,022.68-20,426.44

Finding the Fourth Proportional to 50,015.20, 75,022.68 and 20,426.44

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Solution

The fourth proportional to 50,015.20, 75,022.68 and 20,426.44 is: 30,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,015.20 : 75,022.68 = 20,426.44 : x
  2. Step 2: Convert to fraction form
    50,015.20/75,022.68 = 20,426.44/x
  3. Step 3: Cross multiply
    50,015.20x = 75,022.68 × 20,426.44
  4. Step 4: Simplify right side
    50,015.20x = 1,532,446,271.66
  5. Step 5: Solve for x
    x = 1,532,446,271.66/50,015.20
  6. Step 6: Final answer
    x = 30,639.61

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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.