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Finding the Fourth Proportional to 36,659.37, 54,978.06 and 19,119.63

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Solution

The fourth proportional to 36,659.37, 54,978.06 and 19,119.63 is: 28,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,659.37 : 54,978.06 = 19,119.63 : x
  2. Step 2: Convert to fraction form
    36,659.37/54,978.06 = 19,119.63/x
  3. Step 3: Cross multiply
    36,659.37x = 54,978.06 × 19,119.63
  4. Step 4: Simplify right side
    36,659.37x = 1,051,160,165.32
  5. Step 5: Solve for x
    x = 1,051,160,165.32/36,659.37
  6. Step 6: Final answer
    x = 28,673.71

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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.