Home / 51,708.76-77,584.26-18,435.16

Finding the Fourth Proportional to 51,708.76, 77,584.26 and 18,435.16

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Solution

The fourth proportional to 51,708.76, 77,584.26 and 18,435.16 is: 27,660.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,708.76 : 77,584.26 = 18,435.16 : x
  2. Step 2: Convert to fraction form
    51,708.76/77,584.26 = 18,435.16/x
  3. Step 3: Cross multiply
    51,708.76x = 77,584.26 × 18,435.16
  4. Step 4: Simplify right side
    51,708.76x = 1,430,278,246.58
  5. Step 5: Solve for x
    x = 1,430,278,246.58/51,708.76
  6. Step 6: Final answer
    x = 27,660.27

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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.