Home / 36,540.09-54,827.05-19,880.28

Finding the Fourth Proportional to 36,540.09, 54,827.05 and 19,880.28

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Solution

The fourth proportional to 36,540.09, 54,827.05 and 19,880.28 is: 29,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,540.09 : 54,827.05 = 19,880.28 : x
  2. Step 2: Convert to fraction form
    36,540.09/54,827.05 = 19,880.28/x
  3. Step 3: Cross multiply
    36,540.09x = 54,827.05 × 19,880.28
  4. Step 4: Simplify right side
    36,540.09x = 1,089,977,055.87
  5. Step 5: Solve for x
    x = 1,089,977,055.87/36,540.09
  6. Step 6: Final answer
    x = 29,829.62

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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.