Home / 54,913.97-82,339.75-21,616

Finding the Fourth Proportional to 54,913.97, 82,339.75 and 21,616

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Solution

The fourth proportional to 54,913.97, 82,339.75 and 21,616 is: 32,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,913.97 : 82,339.75 = 21,616 : x
  2. Step 2: Convert to fraction form
    54,913.97/82,339.75 = 21,616/x
  3. Step 3: Cross multiply
    54,913.97x = 82,339.75 × 21,616
  4. Step 4: Simplify right side
    54,913.97x = 1,779,856,036
  5. Step 5: Solve for x
    x = 1,779,856,036/54,913.97
  6. Step 6: Final answer
    x = 32,411.72

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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.