Home / 41,208.21-61,786.80-28,020.60

Finding the Fourth Proportional to 41,208.21, 61,786.80 and 28,020.60

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Solution

The fourth proportional to 41,208.21, 61,786.80 and 28,020.60 is: 42,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,208.21 : 61,786.80 = 28,020.60 : x
  2. Step 2: Convert to fraction form
    41,208.21/61,786.80 = 28,020.60/x
  3. Step 3: Cross multiply
    41,208.21x = 61,786.80 × 28,020.60
  4. Step 4: Simplify right side
    41,208.21x = 1,731,303,208.08
  5. Step 5: Solve for x
    x = 1,731,303,208.08/41,208.21
  6. Step 6: Final answer
    x = 42,013.55

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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.