Home / 50,231.04-75,371.04-20,657.76

Finding the Fourth Proportional to 50,231.04, 75,371.04 and 20,657.76

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Solution

The fourth proportional to 50,231.04, 75,371.04 and 20,657.76 is: 30,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,231.04 : 75,371.04 = 20,657.76 : x
  2. Step 2: Convert to fraction form
    50,231.04/75,371.04 = 20,657.76/x
  3. Step 3: Cross multiply
    50,231.04x = 75,371.04 × 20,657.76
  4. Step 4: Simplify right side
    50,231.04x = 1,556,996,855.27
  5. Step 5: Solve for x
    x = 1,556,996,855.27/50,231.04
  6. Step 6: Final answer
    x = 30,996.71

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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.