Home / 36,291.38-54,427.94-12,912.35

Finding the Fourth Proportional to 36,291.38, 54,427.94 and 12,912.35

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Solution

The fourth proportional to 36,291.38, 54,427.94 and 12,912.35 is: 19,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291.38 : 54,427.94 = 12,912.35 : x
  2. Step 2: Convert to fraction form
    36,291.38/54,427.94 = 12,912.35/x
  3. Step 3: Cross multiply
    36,291.38x = 54,427.94 × 12,912.35
  4. Step 4: Simplify right side
    36,291.38x = 702,792,546.50
  5. Step 5: Solve for x
    x = 702,792,546.50/36,291.38
  6. Step 6: Final answer
    x = 19,365.27

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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.