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Finding the Fourth Proportional to 36,471.19, 54,698.92 and 11,513.19

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Solution

The fourth proportional to 36,471.19, 54,698.92 and 11,513.19 is: 17,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,471.19 : 54,698.92 = 11,513.19 : x
  2. Step 2: Convert to fraction form
    36,471.19/54,698.92 = 11,513.19/x
  3. Step 3: Cross multiply
    36,471.19x = 54,698.92 × 11,513.19
  4. Step 4: Simplify right side
    36,471.19x = 629,758,959.79
  5. Step 5: Solve for x
    x = 629,758,959.79/36,471.19
  6. Step 6: Final answer
    x = 17,267.30

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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.