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Finding the Fourth Proportional to 48,896.68, 73,365.80 and 33,119.48

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Solution

The fourth proportional to 48,896.68, 73,365.80 and 33,119.48 is: 49,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,896.68 : 73,365.80 = 33,119.48 : x
  2. Step 2: Convert to fraction form
    48,896.68/73,365.80 = 33,119.48/x
  3. Step 3: Cross multiply
    48,896.68x = 73,365.80 × 33,119.48
  4. Step 4: Simplify right side
    48,896.68x = 2,429,837,145.78
  5. Step 5: Solve for x
    x = 2,429,837,145.78/48,896.68
  6. Step 6: Final answer
    x = 49,693.30

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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.