Home / 30,286.07-41,777.06-19,682.76

Finding the Fourth Proportional to 30,286.07, 41,777.06 and 19,682.76

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Solution

The fourth proportional to 30,286.07, 41,777.06 and 19,682.76 is: 27,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.07 : 41,777.06 = 19,682.76 : x
  2. Step 2: Convert to fraction form
    30,286.07/41,777.06 = 19,682.76/x
  3. Step 3: Cross multiply
    30,286.07x = 41,777.06 × 19,682.76
  4. Step 4: Simplify right side
    30,286.07x = 822,287,747.07
  5. Step 5: Solve for x
    x = 822,287,747.07/30,286.07
  6. Step 6: Final answer
    x = 27,150.70

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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.