Home / 36,396.60-50,208.96-21,279.36

Finding the Fourth Proportional to 36,396.60, 50,208.96 and 21,279.36

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Solution

The fourth proportional to 36,396.60, 50,208.96 and 21,279.36 is: 29,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,396.60 : 50,208.96 = 21,279.36 : x
  2. Step 2: Convert to fraction form
    36,396.60/50,208.96 = 21,279.36/x
  3. Step 3: Cross multiply
    36,396.60x = 50,208.96 × 21,279.36
  4. Step 4: Simplify right side
    36,396.60x = 1,068,414,535.07
  5. Step 5: Solve for x
    x = 1,068,414,535.07/36,396.60
  6. Step 6: Final answer
    x = 29,354.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.