Home / 45,450.90-68,176.38-21,752.88

Finding the Fourth Proportional to 45,450.90, 68,176.38 and 21,752.88

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Solution

The fourth proportional to 45,450.90, 68,176.38 and 21,752.88 is: 32,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,450.90 : 68,176.38 = 21,752.88 : x
  2. Step 2: Convert to fraction form
    45,450.90/68,176.38 = 21,752.88/x
  3. Step 3: Cross multiply
    45,450.90x = 68,176.38 × 21,752.88
  4. Step 4: Simplify right side
    45,450.90x = 1,483,032,163.33
  5. Step 5: Solve for x
    x = 1,483,032,163.33/45,450.90
  6. Step 6: Final answer
    x = 32,629.33

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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.