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Finding the Fourth Proportional to 53,257.80, 79,927.94 and 20,008.08

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Solution

The fourth proportional to 53,257.80, 79,927.94 and 20,008.08 is: 30,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,257.80 : 79,927.94 = 20,008.08 : x
  2. Step 2: Convert to fraction form
    53,257.80/79,927.94 = 20,008.08/x
  3. Step 3: Cross multiply
    53,257.80x = 79,927.94 × 20,008.08
  4. Step 4: Simplify right side
    53,257.80x = 1,599,204,268.14
  5. Step 5: Solve for x
    x = 1,599,204,268.14/53,257.80
  6. Step 6: Final answer
    x = 30,027.61

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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.