Home / 54,385.22-81,540.93-27,665.55

Finding the Fourth Proportional to 54,385.22, 81,540.93 and 27,665.55

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Solution

The fourth proportional to 54,385.22, 81,540.93 and 27,665.55 is: 41,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,385.22 : 81,540.93 = 27,665.55 : x
  2. Step 2: Convert to fraction form
    54,385.22/81,540.93 = 27,665.55/x
  3. Step 3: Cross multiply
    54,385.22x = 81,540.93 × 27,665.55
  4. Step 4: Simplify right side
    54,385.22x = 2,255,874,624.09
  5. Step 5: Solve for x
    x = 2,255,874,624.09/54,385.22
  6. Step 6: Final answer
    x = 41,479.55

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1.5x scale

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.