Home / 51,185.52-76,807.44-17,912.75

Finding the Fourth Proportional to 51,185.52, 76,807.44 and 17,912.75

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Solution

The fourth proportional to 51,185.52, 76,807.44 and 17,912.75 is: 26,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,185.52 : 76,807.44 = 17,912.75 : x
  2. Step 2: Convert to fraction form
    51,185.52/76,807.44 = 17,912.75/x
  3. Step 3: Cross multiply
    51,185.52x = 76,807.44 × 17,912.75
  4. Step 4: Simplify right side
    51,185.52x = 1,375,832,086.82
  5. Step 5: Solve for x
    x = 1,375,832,086.82/51,185.52
  6. Step 6: Final answer
    x = 26,879.32

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1.5x scale

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.