Home / 36,611.88-54,940.38-14,421.48

Finding the Fourth Proportional to 36,611.88, 54,940.38 and 14,421.48

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Solution

The fourth proportional to 36,611.88, 54,940.38 and 14,421.48 is: 21,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,611.88 : 54,940.38 = 14,421.48 : x
  2. Step 2: Convert to fraction form
    36,611.88/54,940.38 = 14,421.48/x
  3. Step 3: Cross multiply
    36,611.88x = 54,940.38 × 14,421.48
  4. Step 4: Simplify right side
    36,611.88x = 792,321,591.36
  5. Step 5: Solve for x
    x = 792,321,591.36/36,611.88
  6. Step 6: Final answer
    x = 21,641.11

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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.