Home / 54,010.40-81,015.60-27,717.80

Finding the Fourth Proportional to 54,010.40, 81,015.60 and 27,717.80

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Solution

The fourth proportional to 54,010.40, 81,015.60 and 27,717.80 is: 41,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,010.40 : 81,015.60 = 27,717.80 : x
  2. Step 2: Convert to fraction form
    54,010.40/81,015.60 = 27,717.80/x
  3. Step 3: Cross multiply
    54,010.40x = 81,015.60 × 27,717.80
  4. Step 4: Simplify right side
    54,010.40x = 2,245,574,197.68
  5. Step 5: Solve for x
    x = 2,245,574,197.68/54,010.40
  6. Step 6: Final answer
    x = 41,576.70

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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.