Home / 51,869.30-77,795.37-18,584.42

Finding the Fourth Proportional to 51,869.30, 77,795.37 and 18,584.42

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Solution

The fourth proportional to 51,869.30, 77,795.37 and 18,584.42 is: 27,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,869.30 : 77,795.37 = 18,584.42 : x
  2. Step 2: Convert to fraction form
    51,869.30/77,795.37 = 18,584.42/x
  3. Step 3: Cross multiply
    51,869.30x = 77,795.37 × 18,584.42
  4. Step 4: Simplify right side
    51,869.30x = 1,445,781,830.14
  5. Step 5: Solve for x
    x = 1,445,781,830.14/51,869.30
  6. Step 6: Final answer
    x = 27,873.56

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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.