Home / 54,940.32-82,354.90-21,647.44

Finding the Fourth Proportional to 54,940.32, 82,354.90 and 21,647.44

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Solution

The fourth proportional to 54,940.32, 82,354.90 and 21,647.44 is: 32,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,940.32 : 82,354.90 = 21,647.44 : x
  2. Step 2: Convert to fraction form
    54,940.32/82,354.90 = 21,647.44/x
  3. Step 3: Cross multiply
    54,940.32x = 82,354.90 × 21,647.44
  4. Step 4: Simplify right side
    54,940.32x = 1,782,772,756.46
  5. Step 5: Solve for x
    x = 1,782,772,756.46/54,940.32
  6. Step 6: Final answer
    x = 32,449.26

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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.