Home / 51,759.09-77,619.54-18,470.25

Finding the Fourth Proportional to 51,759.09, 77,619.54 and 18,470.25

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Solution

The fourth proportional to 51,759.09, 77,619.54 and 18,470.25 is: 27,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,759.09 : 77,619.54 = 18,470.25 : x
  2. Step 2: Convert to fraction form
    51,759.09/77,619.54 = 18,470.25/x
  3. Step 3: Cross multiply
    51,759.09x = 77,619.54 × 18,470.25
  4. Step 4: Simplify right side
    51,759.09x = 1,433,652,308.69
  5. Step 5: Solve for x
    x = 1,433,652,308.69/51,759.09
  6. Step 6: Final answer
    x = 27,698.56

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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.