Home / 49,860.44-74,739.32-21,775.24

Finding the Fourth Proportional to 49,860.44, 74,739.32 and 21,775.24

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Solution

The fourth proportional to 49,860.44, 74,739.32 and 21,775.24 is: 32,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,860.44 : 74,739.32 = 21,775.24 : x
  2. Step 2: Convert to fraction form
    49,860.44/74,739.32 = 21,775.24/x
  3. Step 3: Cross multiply
    49,860.44x = 74,739.32 × 21,775.24
  4. Step 4: Simplify right side
    49,860.44x = 1,627,466,630.44
  5. Step 5: Solve for x
    x = 1,627,466,630.44/49,860.44
  6. Step 6: Final answer
    x = 32,640.44

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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.