Home / 33,915.36-46,791.96-20,481.50

Finding the Fourth Proportional to 33,915.36, 46,791.96 and 20,481.50

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Solution

The fourth proportional to 33,915.36, 46,791.96 and 20,481.50 is: 28,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915.36 : 46,791.96 = 20,481.50 : x
  2. Step 2: Convert to fraction form
    33,915.36/46,791.96 = 20,481.50/x
  3. Step 3: Cross multiply
    33,915.36x = 46,791.96 × 20,481.50
  4. Step 4: Simplify right side
    33,915.36x = 958,369,528.74
  5. Step 5: Solve for x
    x = 958,369,528.74/33,915.36
  6. Step 6: Final answer
    x = 28,257.68

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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.