Home / 36,918.93-55,378.06-11,620.35

Finding the Fourth Proportional to 36,918.93, 55,378.06 and 11,620.35

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Solution

The fourth proportional to 36,918.93, 55,378.06 and 11,620.35 is: 17,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,918.93 : 55,378.06 = 11,620.35 : x
  2. Step 2: Convert to fraction form
    36,918.93/55,378.06 = 11,620.35/x
  3. Step 3: Cross multiply
    36,918.93x = 55,378.06 × 11,620.35
  4. Step 4: Simplify right side
    36,918.93x = 643,512,202.80
  5. Step 5: Solve for x
    x = 643,512,202.80/36,918.93
  6. Step 6: Final answer
    x = 17,430.42

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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.