Home / 51,822.69-77,725.73-18,536.55

Finding the Fourth Proportional to 51,822.69, 77,725.73 and 18,536.55

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Solution

The fourth proportional to 51,822.69, 77,725.73 and 18,536.55 is: 27,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,822.69 : 77,725.73 = 18,536.55 : x
  2. Step 2: Convert to fraction form
    51,822.69/77,725.73 = 18,536.55/x
  3. Step 3: Cross multiply
    51,822.69x = 77,725.73 × 18,536.55
  4. Step 4: Simplify right side
    51,822.69x = 1,440,766,787.75
  5. Step 5: Solve for x
    x = 1,440,766,787.75/51,822.69
  6. Step 6: Final answer
    x = 27,801.85

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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.