Home / 54,144.18-81,194.76-20,845.80

Finding the Fourth Proportional to 54,144.18, 81,194.76 and 20,845.80

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Solution

The fourth proportional to 54,144.18, 81,194.76 and 20,845.80 is: 31,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,144.18 : 81,194.76 = 20,845.80 : x
  2. Step 2: Convert to fraction form
    54,144.18/81,194.76 = 20,845.80/x
  3. Step 3: Cross multiply
    54,144.18x = 81,194.76 × 20,845.80
  4. Step 4: Simplify right side
    54,144.18x = 1,692,569,728.01
  5. Step 5: Solve for x
    x = 1,692,569,728.01/54,144.18
  6. Step 6: Final answer
    x = 31,260.42

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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.