Home / 36,406.70-54,613.78-13,936.26

Finding the Fourth Proportional to 36,406.70, 54,613.78 and 13,936.26

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Solution

The fourth proportional to 36,406.70, 54,613.78 and 13,936.26 is: 20,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,406.70 : 54,613.78 = 13,936.26 : x
  2. Step 2: Convert to fraction form
    36,406.70/54,613.78 = 13,936.26/x
  3. Step 3: Cross multiply
    36,406.70x = 54,613.78 × 13,936.26
  4. Step 4: Simplify right side
    36,406.70x = 761,111,837.66
  5. Step 5: Solve for x
    x = 761,111,837.66/36,406.70
  6. Step 6: Final answer
    x = 20,905.82

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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.