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Finding the Fourth Proportional to 54,658.56, 81,802.65 and 33,611.93

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Solution

The fourth proportional to 54,658.56, 81,802.65 and 33,611.93 is: 50,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,658.56 : 81,802.65 = 33,611.93 : x
  2. Step 2: Convert to fraction form
    54,658.56/81,802.65 = 33,611.93/x
  3. Step 3: Cross multiply
    54,658.56x = 81,802.65 × 33,611.93
  4. Step 4: Simplify right side
    54,658.56x = 2,749,544,945.61
  5. Step 5: Solve for x
    x = 2,749,544,945.61/54,658.56
  6. Step 6: Final answer
    x = 50,304.01

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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.