Home / 50,803.80-76,193.44-21,205.60

Finding the Fourth Proportional to 50,803.80, 76,193.44 and 21,205.60

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Solution

The fourth proportional to 50,803.80, 76,193.44 and 21,205.60 is: 31,803.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,803.80 : 76,193.44 = 21,205.60 : x
  2. Step 2: Convert to fraction form
    50,803.80/76,193.44 = 21,205.60/x
  3. Step 3: Cross multiply
    50,803.80x = 76,193.44 × 21,205.60
  4. Step 4: Simplify right side
    50,803.80x = 1,615,727,611.26
  5. Step 5: Solve for x
    x = 1,615,727,611.26/50,803.80
  6. Step 6: Final answer
    x = 31,803.28

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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.