Home / 43,986.50-65,984.36-14,406.64

Finding the Fourth Proportional to 43,986.50, 65,984.36 and 14,406.64

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Solution

The fourth proportional to 43,986.50, 65,984.36 and 14,406.64 is: 21,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,986.50 : 65,984.36 = 14,406.64 : x
  2. Step 2: Convert to fraction form
    43,986.50/65,984.36 = 14,406.64/x
  3. Step 3: Cross multiply
    43,986.50x = 65,984.36 × 14,406.64
  4. Step 4: Simplify right side
    43,986.50x = 950,612,836.72
  5. Step 5: Solve for x
    x = 950,612,836.72/43,986.50
  6. Step 6: Final answer
    x = 21,611.47

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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.