Home / 49,771.42-68,679.58-30,648.14

Finding the Fourth Proportional to 49,771.42, 68,679.58 and 30,648.14

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Solution

The fourth proportional to 49,771.42, 68,679.58 and 30,648.14 is: 42,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,771.42 : 68,679.58 = 30,648.14 : x
  2. Step 2: Convert to fraction form
    49,771.42/68,679.58 = 30,648.14/x
  3. Step 3: Cross multiply
    49,771.42x = 68,679.58 × 30,648.14
  4. Step 4: Simplify right side
    49,771.42x = 2,104,901,382.98
  5. Step 5: Solve for x
    x = 2,104,901,382.98/49,771.42
  6. Step 6: Final answer
    x = 42,291.37

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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.