Home / 43,390.73-65,096.10-18,431.58

Finding the Fourth Proportional to 43,390.73, 65,096.10 and 18,431.58

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Solution

The fourth proportional to 43,390.73, 65,096.10 and 18,431.58 is: 27,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,390.73 : 65,096.10 = 18,431.58 : x
  2. Step 2: Convert to fraction form
    43,390.73/65,096.10 = 18,431.58/x
  3. Step 3: Cross multiply
    43,390.73x = 65,096.10 × 18,431.58
  4. Step 4: Simplify right side
    43,390.73x = 1,199,823,974.84
  5. Step 5: Solve for x
    x = 1,199,823,974.84/43,390.73
  6. Step 6: Final answer
    x = 27,651.62

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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.