Home / 54,215.02-81,415.58-33,278

Finding the Fourth Proportional to 54,215.02, 81,415.58 and 33,278

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Solution

The fourth proportional to 54,215.02, 81,415.58 and 33,278 is: 49,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,215.02 : 81,415.58 = 33,278 : x
  2. Step 2: Convert to fraction form
    54,215.02/81,415.58 = 33,278/x
  3. Step 3: Cross multiply
    54,215.02x = 81,415.58 × 33,278
  4. Step 4: Simplify right side
    54,215.02x = 2,709,347,671.24
  5. Step 5: Solve for x
    x = 2,709,347,671.24/54,215.02
  6. Step 6: Final answer
    x = 49,974.12

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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.