Home / 36,438.36-54,659.48-11,480.35

Finding the Fourth Proportional to 36,438.36, 54,659.48 and 11,480.35

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Solution

The fourth proportional to 36,438.36, 54,659.48 and 11,480.35 is: 17,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.36 : 54,659.48 = 11,480.35 : x
  2. Step 2: Convert to fraction form
    36,438.36/54,659.48 = 11,480.35/x
  3. Step 3: Cross multiply
    36,438.36x = 54,659.48 × 11,480.35
  4. Step 4: Simplify right side
    36,438.36x = 627,509,961.22
  5. Step 5: Solve for x
    x = 627,509,961.22/36,438.36
  6. Step 6: Final answer
    x = 17,221.14

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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.