Home / 50,137.87-75,205.26-20,533.41

Finding the Fourth Proportional to 50,137.87, 75,205.26 and 20,533.41

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Solution

The fourth proportional to 50,137.87, 75,205.26 and 20,533.41 is: 30,799.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,137.87 : 75,205.26 = 20,533.41 : x
  2. Step 2: Convert to fraction form
    50,137.87/75,205.26 = 20,533.41/x
  3. Step 3: Cross multiply
    50,137.87x = 75,205.26 × 20,533.41
  4. Step 4: Simplify right side
    50,137.87x = 1,544,220,155.72
  5. Step 5: Solve for x
    x = 1,544,220,155.72/50,137.87
  6. Step 6: Final answer
    x = 30,799.48

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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.