Home / 54,630.68-81,954.64-19,569.56

Finding the Fourth Proportional to 54,630.68, 81,954.64 and 19,569.56

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Solution

The fourth proportional to 54,630.68, 81,954.64 and 19,569.56 is: 29,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,630.68 : 81,954.64 = 19,569.56 : x
  2. Step 2: Convert to fraction form
    54,630.68/81,954.64 = 19,569.56/x
  3. Step 3: Cross multiply
    54,630.68x = 81,954.64 × 19,569.56
  4. Step 4: Simplify right side
    54,630.68x = 1,603,816,244.76
  5. Step 5: Solve for x
    x = 1,603,816,244.76/54,630.68
  6. Step 6: Final answer
    x = 29,357.43

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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.