Home / 33,636.28-50,477.88-13,915

Finding the Fourth Proportional to 33,636.28, 50,477.88 and 13,915

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Solution

The fourth proportional to 33,636.28, 50,477.88 and 13,915 is: 20,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,636.28 : 50,477.88 = 13,915 : x
  2. Step 2: Convert to fraction form
    33,636.28/50,477.88 = 13,915/x
  3. Step 3: Cross multiply
    33,636.28x = 50,477.88 × 13,915
  4. Step 4: Simplify right side
    33,636.28x = 702,399,700.20
  5. Step 5: Solve for x
    x = 702,399,700.20/33,636.28
  6. Step 6: Final answer
    x = 20,882.21

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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.