Home / 43,669.06-65,448.81-18,679.78

Finding the Fourth Proportional to 43,669.06, 65,448.81 and 18,679.78

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Solution

The fourth proportional to 43,669.06, 65,448.81 and 18,679.78 is: 27,996.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,669.06 : 65,448.81 = 18,679.78 : x
  2. Step 2: Convert to fraction form
    43,669.06/65,448.81 = 18,679.78/x
  3. Step 3: Cross multiply
    43,669.06x = 65,448.81 × 18,679.78
  4. Step 4: Simplify right side
    43,669.06x = 1,222,569,372.06
  5. Step 5: Solve for x
    x = 1,222,569,372.06/43,669.06
  6. Step 6: Final answer
    x = 27,996.24

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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.