Home / 54,935.63-82,354.57-19,867.49

Finding the Fourth Proportional to 54,935.63, 82,354.57 and 19,867.49

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Solution

The fourth proportional to 54,935.63, 82,354.57 and 19,867.49 is: 29,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,935.63 : 82,354.57 = 19,867.49 : x
  2. Step 2: Convert to fraction form
    54,935.63/82,354.57 = 19,867.49/x
  3. Step 3: Cross multiply
    54,935.63x = 82,354.57 × 19,867.49
  4. Step 4: Simplify right side
    54,935.63x = 1,636,178,134.49
  5. Step 5: Solve for x
    x = 1,636,178,134.49/54,935.63
  6. Step 6: Final answer
    x = 29,783.55

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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.