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Finding the Fourth Proportional to 52,941.44, 79,425.94 and 19,671.10

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Solution

The fourth proportional to 52,941.44, 79,425.94 and 19,671.10 is: 29,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,941.44 : 79,425.94 = 19,671.10 : x
  2. Step 2: Convert to fraction form
    52,941.44/79,425.94 = 19,671.10/x
  3. Step 3: Cross multiply
    52,941.44x = 79,425.94 × 19,671.10
  4. Step 4: Simplify right side
    52,941.44x = 1,562,395,608.33
  5. Step 5: Solve for x
    x = 1,562,395,608.33/52,941.44
  6. Step 6: Final answer
    x = 29,511.77

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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.