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Finding the Fourth Proportional to 48,606.60, 72,942.30 and 22,297.80

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Solution

The fourth proportional to 48,606.60, 72,942.30 and 22,297.80 is: 33,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,606.60 : 72,942.30 = 22,297.80 : x
  2. Step 2: Convert to fraction form
    48,606.60/72,942.30 = 22,297.80/x
  3. Step 3: Cross multiply
    48,606.60x = 72,942.30 × 22,297.80
  4. Step 4: Simplify right side
    48,606.60x = 1,626,452,816.94
  5. Step 5: Solve for x
    x = 1,626,452,816.94/48,606.60
  6. Step 6: Final answer
    x = 33,461.56

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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.