Home / 51,256-76,918.20-17,976.04

Finding the Fourth Proportional to 51,256, 76,918.20 and 17,976.04

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Solution

The fourth proportional to 51,256, 76,918.20 and 17,976.04 is: 26,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,256 : 76,918.20 = 17,976.04 : x
  2. Step 2: Convert to fraction form
    51,256/76,918.20 = 17,976.04/x
  3. Step 3: Cross multiply
    51,256x = 76,918.20 × 17,976.04
  4. Step 4: Simplify right side
    51,256x = 1,382,684,639.93
  5. Step 5: Solve for x
    x = 1,382,684,639.93/51,256
  6. Step 6: Final answer
    x = 26,976.05

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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.