Home / 30,371.14-41,911.88-16,759.30

Finding the Fourth Proportional to 30,371.14, 41,911.88 and 16,759.30

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Solution

The fourth proportional to 30,371.14, 41,911.88 and 16,759.30 is: 23,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.14 : 41,911.88 = 16,759.30 : x
  2. Step 2: Convert to fraction form
    30,371.14/41,911.88 = 16,759.30/x
  3. Step 3: Cross multiply
    30,371.14x = 41,911.88 × 16,759.30
  4. Step 4: Simplify right side
    30,371.14x = 702,413,770.48
  5. Step 5: Solve for x
    x = 702,413,770.48/30,371.14
  6. Step 6: Final answer
    x = 23,127.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.