Home / 34,742.21-52,183.05-20,729.58

Finding the Fourth Proportional to 34,742.21, 52,183.05 and 20,729.58

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Solution

The fourth proportional to 34,742.21, 52,183.05 and 20,729.58 is: 31,135.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,742.21 : 52,183.05 = 20,729.58 : x
  2. Step 2: Convert to fraction form
    34,742.21/52,183.05 = 20,729.58/x
  3. Step 3: Cross multiply
    34,742.21x = 52,183.05 × 20,729.58
  4. Step 4: Simplify right side
    34,742.21x = 1,081,732,709.62
  5. Step 5: Solve for x
    x = 1,081,732,709.62/34,742.21
  6. Step 6: Final answer
    x = 31,135.98

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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.