Home / 50,619.13-75,927.78-20,611.56

Finding the Fourth Proportional to 50,619.13, 75,927.78 and 20,611.56

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Solution

The fourth proportional to 50,619.13, 75,927.78 and 20,611.56 is: 30,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,619.13 : 75,927.78 = 20,611.56 : x
  2. Step 2: Convert to fraction form
    50,619.13/75,927.78 = 20,611.56/x
  3. Step 3: Cross multiply
    50,619.13x = 75,927.78 × 20,611.56
  4. Step 4: Simplify right side
    50,619.13x = 1,564,990,277.87
  5. Step 5: Solve for x
    x = 1,564,990,277.87/50,619.13
  6. Step 6: Final answer
    x = 30,916.97

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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.