Home / 32,729.44-49,118.64-12,742.09

Finding the Fourth Proportional to 32,729.44, 49,118.64 and 12,742.09

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Solution

The fourth proportional to 32,729.44, 49,118.64 and 12,742.09 is: 19,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,729.44 : 49,118.64 = 12,742.09 : x
  2. Step 2: Convert to fraction form
    32,729.44/49,118.64 = 12,742.09/x
  3. Step 3: Cross multiply
    32,729.44x = 49,118.64 × 12,742.09
  4. Step 4: Simplify right side
    32,729.44x = 625,874,131.56
  5. Step 5: Solve for x
    x = 625,874,131.56/32,729.44
  6. Step 6: Final answer
    x = 19,122.67

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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.