Home / 54,039.76-81,004.24-22,468.12

Finding the Fourth Proportional to 54,039.76, 81,004.24 and 22,468.12

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Solution

The fourth proportional to 54,039.76, 81,004.24 and 22,468.12 is: 33,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,039.76 : 81,004.24 = 22,468.12 : x
  2. Step 2: Convert to fraction form
    54,039.76/81,004.24 = 22,468.12/x
  3. Step 3: Cross multiply
    54,039.76x = 81,004.24 × 22,468.12
  4. Step 4: Simplify right side
    54,039.76x = 1,820,012,984.83
  5. Step 5: Solve for x
    x = 1,820,012,984.83/54,039.76
  6. Step 6: Final answer
    x = 33,679.15

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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.