Home / 51,256.24-76,918.56-17,976.28

Finding the Fourth Proportional to 51,256.24, 76,918.56 and 17,976.28

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Solution

The fourth proportional to 51,256.24, 76,918.56 and 17,976.28 is: 26,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,256.24 : 76,918.56 = 17,976.28 : x
  2. Step 2: Convert to fraction form
    51,256.24/76,918.56 = 17,976.28/x
  3. Step 3: Cross multiply
    51,256.24x = 76,918.56 × 17,976.28
  4. Step 4: Simplify right side
    51,256.24x = 1,382,709,571.76
  5. Step 5: Solve for x
    x = 1,382,709,571.76/51,256.24
  6. Step 6: Final answer
    x = 26,976.41

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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.