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Finding the Fourth Proportional to 33,495.66, 50,243.22 and 12,719.16

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Solution

The fourth proportional to 33,495.66, 50,243.22 and 12,719.16 is: 19,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,495.66 : 50,243.22 = 12,719.16 : x
  2. Step 2: Convert to fraction form
    33,495.66/50,243.22 = 12,719.16/x
  3. Step 3: Cross multiply
    33,495.66x = 50,243.22 × 12,719.16
  4. Step 4: Simplify right side
    33,495.66x = 639,051,554.10
  5. Step 5: Solve for x
    x = 639,051,554.10/33,495.66
  6. Step 6: Final answer
    x = 19,078.64

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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.