Home / 43,667.82-65,446.95-18,678.51

Finding the Fourth Proportional to 43,667.82, 65,446.95 and 18,678.51

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Solution

The fourth proportional to 43,667.82, 65,446.95 and 18,678.51 is: 27,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,667.82 : 65,446.95 = 18,678.51 : x
  2. Step 2: Convert to fraction form
    43,667.82/65,446.95 = 18,678.51/x
  3. Step 3: Cross multiply
    43,667.82x = 65,446.95 × 18,678.51
  4. Step 4: Simplify right side
    43,667.82x = 1,222,451,510.04
  5. Step 5: Solve for x
    x = 1,222,451,510.04/43,667.82
  6. Step 6: Final answer
    x = 27,994.33

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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.