Home / 43,986.21-65,979.33-10,706.28

Finding the Fourth Proportional to 43,986.21, 65,979.33 and 10,706.28

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Solution

The fourth proportional to 43,986.21, 65,979.33 and 10,706.28 is: 16,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,986.21 : 65,979.33 = 10,706.28 : x
  2. Step 2: Convert to fraction form
    43,986.21/65,979.33 = 10,706.28/x
  3. Step 3: Cross multiply
    43,986.21x = 65,979.33 × 10,706.28
  4. Step 4: Simplify right side
    43,986.21x = 706,393,181.19
  5. Step 5: Solve for x
    x = 706,393,181.19/43,986.21
  6. Step 6: Final answer
    x = 16,059.42

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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.