Home / 30,770.48-46,136.01-12,996.33

Finding the Fourth Proportional to 30,770.48, 46,136.01 and 12,996.33

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Solution

The fourth proportional to 30,770.48, 46,136.01 and 12,996.33 is: 19,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,770.48 : 46,136.01 = 12,996.33 : x
  2. Step 2: Convert to fraction form
    30,770.48/46,136.01 = 12,996.33/x
  3. Step 3: Cross multiply
    30,770.48x = 46,136.01 × 12,996.33
  4. Step 4: Simplify right side
    30,770.48x = 599,598,810.84
  5. Step 5: Solve for x
    x = 599,598,810.84/30,770.48
  6. Step 6: Final answer
    x = 19,486.17

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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.