Home / 34,020.40-51,030.62-18,536.44

Finding the Fourth Proportional to 34,020.40, 51,030.62 and 18,536.44

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Solution

The fourth proportional to 34,020.40, 51,030.62 and 18,536.44 is: 27,804.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,020.40 : 51,030.62 = 18,536.44 : x
  2. Step 2: Convert to fraction form
    34,020.40/51,030.62 = 18,536.44/x
  3. Step 3: Cross multiply
    34,020.40x = 51,030.62 × 18,536.44
  4. Step 4: Simplify right side
    34,020.40x = 945,926,025.79
  5. Step 5: Solve for x
    x = 945,926,025.79/34,020.40
  6. Step 6: Final answer
    x = 27,804.67

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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.