Home / 54,136.60-81,140.10-27,827.80

Finding the Fourth Proportional to 54,136.60, 81,140.10 and 27,827.80

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Solution

The fourth proportional to 54,136.60, 81,140.10 and 27,827.80 is: 41,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,136.60 : 81,140.10 = 27,827.80 : x
  2. Step 2: Convert to fraction form
    54,136.60/81,140.10 = 27,827.80/x
  3. Step 3: Cross multiply
    54,136.60x = 81,140.10 × 27,827.80
  4. Step 4: Simplify right side
    54,136.60x = 2,257,950,474.78
  5. Step 5: Solve for x
    x = 2,257,950,474.78/54,136.60
  6. Step 6: Final answer
    x = 41,708.39

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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.