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Finding the Fourth Proportional to 49,094.48, 73,642.46 and 13,555.48

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Solution

The fourth proportional to 49,094.48, 73,642.46 and 13,555.48 is: 20,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,094.48 : 73,642.46 = 13,555.48 : x
  2. Step 2: Convert to fraction form
    49,094.48/73,642.46 = 13,555.48/x
  3. Step 3: Cross multiply
    49,094.48x = 73,642.46 × 13,555.48
  4. Step 4: Simplify right side
    49,094.48x = 998,258,893.68
  5. Step 5: Solve for x
    x = 998,258,893.68/49,094.48
  6. Step 6: Final answer
    x = 20,333.42

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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.