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Finding the Fourth Proportional to 48,573.60, 72,835.68 and 22,255.68

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Solution

The fourth proportional to 48,573.60, 72,835.68 and 22,255.68 is: 33,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,573.60 : 72,835.68 = 22,255.68 : x
  2. Step 2: Convert to fraction form
    48,573.60/72,835.68 = 22,255.68/x
  3. Step 3: Cross multiply
    48,573.60x = 72,835.68 × 22,255.68
  4. Step 4: Simplify right side
    48,573.60x = 1,621,007,586.66
  5. Step 5: Solve for x
    x = 1,621,007,586.66/48,573.60
  6. Step 6: Final answer
    x = 33,372.19

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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.