Home / 43,968.69-65,928.38-18,993.15

Finding the Fourth Proportional to 43,968.69, 65,928.38 and 18,993.15

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Solution

The fourth proportional to 43,968.69, 65,928.38 and 18,993.15 is: 28,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,968.69 : 65,928.38 = 18,993.15 : x
  2. Step 2: Convert to fraction form
    43,968.69/65,928.38 = 18,993.15/x
  3. Step 3: Cross multiply
    43,968.69x = 65,928.38 × 18,993.15
  4. Step 4: Simplify right side
    43,968.69x = 1,252,187,515.63
  5. Step 5: Solve for x
    x = 1,252,187,515.63/43,968.69
  6. Step 6: Final answer
    x = 28,479.07

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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.