Home / 34,742.35-52,183.23-20,729.74

Finding the Fourth Proportional to 34,742.35, 52,183.23 and 20,729.74

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Solution

The fourth proportional to 34,742.35, 52,183.23 and 20,729.74 is: 31,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,742.35 : 52,183.23 = 20,729.74 : x
  2. Step 2: Convert to fraction form
    34,742.35/52,183.23 = 20,729.74/x
  3. Step 3: Cross multiply
    34,742.35x = 52,183.23 × 20,729.74
  4. Step 4: Simplify right side
    34,742.35x = 1,081,744,790.26
  5. Step 5: Solve for x
    x = 1,081,744,790.26/34,742.35
  6. Step 6: Final answer
    x = 31,136.20

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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.