Home / 54,324.70-81,495.15-19,261.60

Finding the Fourth Proportional to 54,324.70, 81,495.15 and 19,261.60

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Solution

The fourth proportional to 54,324.70, 81,495.15 and 19,261.60 is: 28,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324.70 : 81,495.15 = 19,261.60 : x
  2. Step 2: Convert to fraction form
    54,324.70/81,495.15 = 19,261.60/x
  3. Step 3: Cross multiply
    54,324.70x = 81,495.15 × 19,261.60
  4. Step 4: Simplify right side
    54,324.70x = 1,569,726,981.24
  5. Step 5: Solve for x
    x = 1,569,726,981.24/54,324.70
  6. Step 6: Final answer
    x = 28,895.27

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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.