Home / 30,770.99-46,136.76-12,996.83

Finding the Fourth Proportional to 30,770.99, 46,136.76 and 12,996.83

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Solution

The fourth proportional to 30,770.99, 46,136.76 and 12,996.83 is: 19,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,770.99 : 46,136.76 = 12,996.83 : x
  2. Step 2: Convert to fraction form
    30,770.99/46,136.76 = 12,996.83/x
  3. Step 3: Cross multiply
    30,770.99x = 46,136.76 × 12,996.83
  4. Step 4: Simplify right side
    30,770.99x = 599,631,395.79
  5. Step 5: Solve for x
    x = 599,631,395.79/30,770.99
  6. Step 6: Final answer
    x = 19,486.91

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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.