Home / 50,976.81-76,465.20-15,919.47

Finding the Fourth Proportional to 50,976.81, 76,465.20 and 15,919.47

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Solution

The fourth proportional to 50,976.81, 76,465.20 and 15,919.47 is: 23,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,976.81 : 76,465.20 = 15,919.47 : x
  2. Step 2: Convert to fraction form
    50,976.81/76,465.20 = 15,919.47/x
  3. Step 3: Cross multiply
    50,976.81x = 76,465.20 × 15,919.47
  4. Step 4: Simplify right side
    50,976.81x = 1,217,285,457.44
  5. Step 5: Solve for x
    x = 1,217,285,457.44/50,976.81
  6. Step 6: Final answer
    x = 23,879.20

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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.