Home / 36,079.69-54,133.90-13,887.11

Finding the Fourth Proportional to 36,079.69, 54,133.90 and 13,887.11

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Solution

The fourth proportional to 36,079.69, 54,133.90 and 13,887.11 is: 20,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,079.69 : 54,133.90 = 13,887.11 : x
  2. Step 2: Convert to fraction form
    36,079.69/54,133.90 = 13,887.11/x
  3. Step 3: Cross multiply
    36,079.69x = 54,133.90 × 13,887.11
  4. Step 4: Simplify right side
    36,079.69x = 751,763,424.03
  5. Step 5: Solve for x
    x = 751,763,424.03/36,079.69
  6. Step 6: Final answer
    x = 20,836.19

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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.