Home / 54,858.49-82,238.46-19,789.95

Finding the Fourth Proportional to 54,858.49, 82,238.46 and 19,789.95

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Solution

The fourth proportional to 54,858.49, 82,238.46 and 19,789.95 is: 29,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,858.49 : 82,238.46 = 19,789.95 : x
  2. Step 2: Convert to fraction form
    54,858.49/82,238.46 = 19,789.95/x
  3. Step 3: Cross multiply
    54,858.49x = 82,238.46 × 19,789.95
  4. Step 4: Simplify right side
    54,858.49x = 1,627,495,011.48
  5. Step 5: Solve for x
    x = 1,627,495,011.48/54,858.49
  6. Step 6: Final answer
    x = 29,667.15

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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.