Home / 50,511.54-69,714.14-30,388.75

Finding the Fourth Proportional to 50,511.54, 69,714.14 and 30,388.75

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Solution

The fourth proportional to 50,511.54, 69,714.14 and 30,388.75 is: 41,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,511.54 : 69,714.14 = 30,388.75 : x
  2. Step 2: Convert to fraction form
    50,511.54/69,714.14 = 30,388.75/x
  3. Step 3: Cross multiply
    50,511.54x = 69,714.14 × 30,388.75
  4. Step 4: Simplify right side
    50,511.54x = 2,118,525,571.93
  5. Step 5: Solve for x
    x = 2,118,525,571.93/50,511.54
  6. Step 6: Final answer
    x = 41,941.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.