Home / 43,584.84-65,377.14-11,992.56

Finding the Fourth Proportional to 43,584.84, 65,377.14 and 11,992.56

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Solution

The fourth proportional to 43,584.84, 65,377.14 and 11,992.56 is: 17,988.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,584.84 : 65,377.14 = 11,992.56 : x
  2. Step 2: Convert to fraction form
    43,584.84/65,377.14 = 11,992.56/x
  3. Step 3: Cross multiply
    43,584.84x = 65,377.14 × 11,992.56
  4. Step 4: Simplify right side
    43,584.84x = 784,039,274.08
  5. Step 5: Solve for x
    x = 784,039,274.08/43,584.84
  6. Step 6: Final answer
    x = 17,988.81

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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.