Home / 36,231.84-54,355.94-12,858.28

Finding the Fourth Proportional to 36,231.84, 54,355.94 and 12,858.28

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Solution

The fourth proportional to 36,231.84, 54,355.94 and 12,858.28 is: 19,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,231.84 : 54,355.94 = 12,858.28 : x
  2. Step 2: Convert to fraction form
    36,231.84/54,355.94 = 12,858.28/x
  3. Step 3: Cross multiply
    36,231.84x = 54,355.94 × 12,858.28
  4. Step 4: Simplify right side
    36,231.84x = 698,923,896.18
  5. Step 5: Solve for x
    x = 698,923,896.18/36,231.84
  6. Step 6: Final answer
    x = 19,290.32

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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.