Home / 45,924.12-68,879.30-21,902.36

Finding the Fourth Proportional to 45,924.12, 68,879.30 and 21,902.36

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Solution

The fourth proportional to 45,924.12, 68,879.30 and 21,902.36 is: 32,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,924.12 : 68,879.30 = 21,902.36 : x
  2. Step 2: Convert to fraction form
    45,924.12/68,879.30 = 21,902.36/x
  3. Step 3: Cross multiply
    45,924.12x = 68,879.30 × 21,902.36
  4. Step 4: Simplify right side
    45,924.12x = 1,508,618,771.24
  5. Step 5: Solve for x
    x = 1,508,618,771.24/45,924.12
  6. Step 6: Final answer
    x = 32,850.25

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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.