Home / 54,608.31-81,916.17-18,570.09

Finding the Fourth Proportional to 54,608.31, 81,916.17 and 18,570.09

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Solution

The fourth proportional to 54,608.31, 81,916.17 and 18,570.09 is: 27,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,608.31 : 81,916.17 = 18,570.09 : x
  2. Step 2: Convert to fraction form
    54,608.31/81,916.17 = 18,570.09/x
  3. Step 3: Cross multiply
    54,608.31x = 81,916.17 × 18,570.09
  4. Step 4: Simplify right side
    54,608.31x = 1,521,190,649.36
  5. Step 5: Solve for x
    x = 1,521,190,649.36/54,608.31
  6. Step 6: Final answer
    x = 27,856.39

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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.