Home / 55,137.60-82,705.92-13,584.96

Finding the Fourth Proportional to 55,137.60, 82,705.92 and 13,584.96

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Solution

The fourth proportional to 55,137.60, 82,705.92 and 13,584.96 is: 20,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,137.60 : 82,705.92 = 13,584.96 : x
  2. Step 2: Convert to fraction form
    55,137.60/82,705.92 = 13,584.96/x
  3. Step 3: Cross multiply
    55,137.60x = 82,705.92 × 13,584.96
  4. Step 4: Simplify right side
    55,137.60x = 1,123,556,614.96
  5. Step 5: Solve for x
    x = 1,123,556,614.96/55,137.60
  6. Step 6: Final answer
    x = 20,377.32

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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.