Home / 36,540.34-54,827.43-19,880.53

Finding the Fourth Proportional to 36,540.34, 54,827.43 and 19,880.53

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Solution

The fourth proportional to 36,540.34, 54,827.43 and 19,880.53 is: 29,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,540.34 : 54,827.43 = 19,880.53 : x
  2. Step 2: Convert to fraction form
    36,540.34/54,827.43 = 19,880.53/x
  3. Step 3: Cross multiply
    36,540.34x = 54,827.43 × 19,880.53
  4. Step 4: Simplify right side
    36,540.34x = 1,089,998,366.94
  5. Step 5: Solve for x
    x = 1,089,998,366.94/36,540.34
  6. Step 6: Final answer
    x = 29,830.00

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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.