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Finding the Fourth Proportional to 52,804.80, 79,264.80 and 33,105.60

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Solution

The fourth proportional to 52,804.80, 79,264.80 and 33,105.60 is: 49,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,804.80 : 79,264.80 = 33,105.60 : x
  2. Step 2: Convert to fraction form
    52,804.80/79,264.80 = 33,105.60/x
  3. Step 3: Cross multiply
    52,804.80x = 79,264.80 × 33,105.60
  4. Step 4: Simplify right side
    52,804.80x = 2,624,108,762.88
  5. Step 5: Solve for x
    x = 2,624,108,762.88/52,804.80
  6. Step 6: Final answer
    x = 49,694.51

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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.