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Finding the Fourth Proportional to 53,996.33, 80,985.27 and 14,544.22

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Solution

The fourth proportional to 53,996.33, 80,985.27 and 14,544.22 is: 21,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,996.33 : 80,985.27 = 14,544.22 : x
  2. Step 2: Convert to fraction form
    53,996.33/80,985.27 = 14,544.22/x
  3. Step 3: Cross multiply
    53,996.33x = 80,985.27 × 14,544.22
  4. Step 4: Simplify right side
    53,996.33x = 1,177,867,650.32
  5. Step 5: Solve for x
    x = 1,177,867,650.32/53,996.33
  6. Step 6: Final answer
    x = 21,813.84

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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.