Home / 45,610.31-68,384.99-18,949.37

Finding the Fourth Proportional to 45,610.31, 68,384.99 and 18,949.37

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Solution

The fourth proportional to 45,610.31, 68,384.99 and 18,949.37 is: 28,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,610.31 : 68,384.99 = 18,949.37 : x
  2. Step 2: Convert to fraction form
    45,610.31/68,384.99 = 18,949.37/x
  3. Step 3: Cross multiply
    45,610.31x = 68,384.99 × 18,949.37
  4. Step 4: Simplify right side
    45,610.31x = 1,295,852,183.40
  5. Step 5: Solve for x
    x = 1,295,852,183.40/45,610.31
  6. Step 6: Final answer
    x = 28,411.39

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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.