Home / 43,667.93-65,447.07-18,678.59

Finding the Fourth Proportional to 43,667.93, 65,447.07 and 18,678.59

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Solution

The fourth proportional to 43,667.93, 65,447.07 and 18,678.59 is: 27,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,667.93 : 65,447.07 = 18,678.59 : x
  2. Step 2: Convert to fraction form
    43,667.93/65,447.07 = 18,678.59/x
  3. Step 3: Cross multiply
    43,667.93x = 65,447.07 × 18,678.59
  4. Step 4: Simplify right side
    43,667.93x = 1,222,458,987.23
  5. Step 5: Solve for x
    x = 1,222,458,987.23/43,667.93
  6. Step 6: Final answer
    x = 27,994.43

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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.