Home / 30,325.08-41,800.14-20,233.56

Finding the Fourth Proportional to 30,325.08, 41,800.14 and 20,233.56

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Solution

The fourth proportional to 30,325.08, 41,800.14 and 20,233.56 is: 27,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,325.08 : 41,800.14 = 20,233.56 : x
  2. Step 2: Convert to fraction form
    30,325.08/41,800.14 = 20,233.56/x
  3. Step 3: Cross multiply
    30,325.08x = 41,800.14 × 20,233.56
  4. Step 4: Simplify right side
    30,325.08x = 845,765,640.70
  5. Step 5: Solve for x
    x = 845,765,640.70/30,325.08
  6. Step 6: Final answer
    x = 27,889.97

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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.