Home / 38,816.88-58,183.80-20,078.05

Finding the Fourth Proportional to 38,816.88, 58,183.80 and 20,078.05

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Solution

The fourth proportional to 38,816.88, 58,183.80 and 20,078.05 is: 30,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,816.88 : 58,183.80 = 20,078.05 : x
  2. Step 2: Convert to fraction form
    38,816.88/58,183.80 = 20,078.05/x
  3. Step 3: Cross multiply
    38,816.88x = 58,183.80 × 20,078.05
  4. Step 4: Simplify right side
    38,816.88x = 1,168,217,145.20
  5. Step 5: Solve for x
    x = 1,168,217,145.20/38,816.88
  6. Step 6: Final answer
    x = 30,095.60

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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.