Home / 30,217.47-45,325.99-11,749.47

Finding the Fourth Proportional to 30,217.47, 45,325.99 and 11,749.47

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Solution

The fourth proportional to 30,217.47, 45,325.99 and 11,749.47 is: 17,624.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.47 : 45,325.99 = 11,749.47 : x
  2. Step 2: Convert to fraction form
    30,217.47/45,325.99 = 11,749.47/x
  3. Step 3: Cross multiply
    30,217.47x = 45,325.99 × 11,749.47
  4. Step 4: Simplify right side
    30,217.47x = 532,556,359.73
  5. Step 5: Solve for x
    x = 532,556,359.73/30,217.47
  6. Step 6: Final answer
    x = 17,624.12

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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.