Home / 54,435.99-81,629.37-19,376.58

Finding the Fourth Proportional to 54,435.99, 81,629.37 and 19,376.58

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Solution

The fourth proportional to 54,435.99, 81,629.37 and 19,376.58 is: 29,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.99 : 81,629.37 = 19,376.58 : x
  2. Step 2: Convert to fraction form
    54,435.99/81,629.37 = 19,376.58/x
  3. Step 3: Cross multiply
    54,435.99x = 81,629.37 × 19,376.58
  4. Step 4: Simplify right side
    54,435.99x = 1,581,698,018.15
  5. Step 5: Solve for x
    x = 1,581,698,018.15/54,435.99
  6. Step 6: Final answer
    x = 29,056.11

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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.