Home / 30,048.87-41,480.20-18,723.96

Finding the Fourth Proportional to 30,048.87, 41,480.20 and 18,723.96

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Solution

The fourth proportional to 30,048.87, 41,480.20 and 18,723.96 is: 25,847.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,048.87 : 41,480.20 = 18,723.96 : x
  2. Step 2: Convert to fraction form
    30,048.87/41,480.20 = 18,723.96/x
  3. Step 3: Cross multiply
    30,048.87x = 41,480.20 × 18,723.96
  4. Step 4: Simplify right side
    30,048.87x = 776,673,605.59
  5. Step 5: Solve for x
    x = 776,673,605.59/30,048.87
  6. Step 6: Final answer
    x = 25,847.02

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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.