Home / 39,183.84-58,694.43-19,132.81

Finding the Fourth Proportional to 39,183.84, 58,694.43 and 19,132.81

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Solution

The fourth proportional to 39,183.84, 58,694.43 and 19,132.81 is: 28,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,183.84 : 58,694.43 = 19,132.81 : x
  2. Step 2: Convert to fraction form
    39,183.84/58,694.43 = 19,132.81/x
  3. Step 3: Cross multiply
    39,183.84x = 58,694.43 × 19,132.81
  4. Step 4: Simplify right side
    39,183.84x = 1,122,989,377.25
  5. Step 5: Solve for x
    x = 1,122,989,377.25/39,183.84
  6. Step 6: Final answer
    x = 28,659.50

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1.5x scale

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.