Home / 54,476.94-81,725.70-18,936.90

Finding the Fourth Proportional to 54,476.94, 81,725.70 and 18,936.90

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Solution

The fourth proportional to 54,476.94, 81,725.70 and 18,936.90 is: 28,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,476.94 : 81,725.70 = 18,936.90 : x
  2. Step 2: Convert to fraction form
    54,476.94/81,725.70 = 18,936.90/x
  3. Step 3: Cross multiply
    54,476.94x = 81,725.70 × 18,936.90
  4. Step 4: Simplify right side
    54,476.94x = 1,547,631,408.33
  5. Step 5: Solve for x
    x = 1,547,631,408.33/54,476.94
  6. Step 6: Final answer
    x = 28,408.93

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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.