Home / 43,986.05-65,979.21-10,706.12

Finding the Fourth Proportional to 43,986.05, 65,979.21 and 10,706.12

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Solution

The fourth proportional to 43,986.05, 65,979.21 and 10,706.12 is: 16,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,986.05 : 65,979.21 = 10,706.12 : x
  2. Step 2: Convert to fraction form
    43,986.05/65,979.21 = 10,706.12/x
  3. Step 3: Cross multiply
    43,986.05x = 65,979.21 × 10,706.12
  4. Step 4: Simplify right side
    43,986.05x = 706,381,339.77
  5. Step 5: Solve for x
    x = 706,381,339.77/43,986.05
  6. Step 6: Final answer
    x = 16,059.21

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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.