Home / 36,540.60-54,826.02-13,169.40

Finding the Fourth Proportional to 36,540.60, 54,826.02 and 13,169.40

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Solution

The fourth proportional to 36,540.60, 54,826.02 and 13,169.40 is: 19,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,540.60 : 54,826.02 = 13,169.40 : x
  2. Step 2: Convert to fraction form
    36,540.60/54,826.02 = 13,169.40/x
  3. Step 3: Cross multiply
    36,540.60x = 54,826.02 × 13,169.40
  4. Step 4: Simplify right side
    36,540.60x = 722,025,787.79
  5. Step 5: Solve for x
    x = 722,025,787.79/36,540.60
  6. Step 6: Final answer
    x = 19,759.55

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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.