Home / 30,771.99-46,138.26-12,997.83

Finding the Fourth Proportional to 30,771.99, 46,138.26 and 12,997.83

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Solution

The fourth proportional to 30,771.99, 46,138.26 and 12,997.83 is: 19,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,771.99 : 46,138.26 = 12,997.83 : x
  2. Step 2: Convert to fraction form
    30,771.99/46,138.26 = 12,997.83/x
  3. Step 3: Cross multiply
    30,771.99x = 46,138.26 × 12,997.83
  4. Step 4: Simplify right side
    30,771.99x = 599,697,259.98
  5. Step 5: Solve for x
    x = 599,697,259.98/30,771.99
  6. Step 6: Final answer
    x = 19,488.41

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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.