Home / 33,915.72-50,880.86-11,428.62

Finding the Fourth Proportional to 33,915.72, 50,880.86 and 11,428.62

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Solution

The fourth proportional to 33,915.72, 50,880.86 and 11,428.62 is: 17,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915.72 : 50,880.86 = 11,428.62 : x
  2. Step 2: Convert to fraction form
    33,915.72/50,880.86 = 11,428.62/x
  3. Step 3: Cross multiply
    33,915.72x = 50,880.86 × 11,428.62
  4. Step 4: Simplify right side
    33,915.72x = 581,498,014.21
  5. Step 5: Solve for x
    x = 581,498,014.21/33,915.72
  6. Step 6: Final answer
    x = 17,145.38

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1.5x scale

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.