Home / 54,310.37-81,491.47-19,266.53

Finding the Fourth Proportional to 54,310.37, 81,491.47 and 19,266.53

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Solution

The fourth proportional to 54,310.37, 81,491.47 and 19,266.53 is: 28,908.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310.37 : 81,491.47 = 19,266.53 : x
  2. Step 2: Convert to fraction form
    54,310.37/81,491.47 = 19,266.53/x
  3. Step 3: Cross multiply
    54,310.37x = 81,491.47 × 19,266.53
  4. Step 4: Simplify right side
    54,310.37x = 1,570,057,395.88
  5. Step 5: Solve for x
    x = 1,570,057,395.88/54,310.37
  6. Step 6: Final answer
    x = 28,908.98

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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.