Home / 54,817.60-82,176-19,748.68

Finding the Fourth Proportional to 54,817.60, 82,176 and 19,748.68

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Solution

The fourth proportional to 54,817.60, 82,176 and 19,748.68 is: 29,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,817.60 : 82,176 = 19,748.68 : x
  2. Step 2: Convert to fraction form
    54,817.60/82,176 = 19,748.68/x
  3. Step 3: Cross multiply
    54,817.60x = 82,176 × 19,748.68
  4. Step 4: Simplify right side
    54,817.60x = 1,622,867,527.68
  5. Step 5: Solve for x
    x = 1,622,867,527.68/54,817.60
  6. Step 6: Final answer
    x = 29,604.86

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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.