Home / 43,669.07-65,448.81-18,679.76

Finding the Fourth Proportional to 43,669.07, 65,448.81 and 18,679.76

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Solution

The fourth proportional to 43,669.07, 65,448.81 and 18,679.76 is: 27,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,669.07 : 65,448.81 = 18,679.76 : x
  2. Step 2: Convert to fraction form
    43,669.07/65,448.81 = 18,679.76/x
  3. Step 3: Cross multiply
    43,669.07x = 65,448.81 × 18,679.76
  4. Step 4: Simplify right side
    43,669.07x = 1,222,568,063.09
  5. Step 5: Solve for x
    x = 1,222,568,063.09/43,669.07
  6. Step 6: Final answer
    x = 27,996.20

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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.