Home / 51,891.56-77,837.34-16,831.22

Finding the Fourth Proportional to 51,891.56, 77,837.34 and 16,831.22

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Solution

The fourth proportional to 51,891.56, 77,837.34 and 16,831.22 is: 25,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,891.56 : 77,837.34 = 16,831.22 : x
  2. Step 2: Convert to fraction form
    51,891.56/77,837.34 = 16,831.22/x
  3. Step 3: Cross multiply
    51,891.56x = 77,837.34 × 16,831.22
  4. Step 4: Simplify right side
    51,891.56x = 1,310,097,359.58
  5. Step 5: Solve for x
    x = 1,310,097,359.58/51,891.56
  6. Step 6: Final answer
    x = 25,246.83

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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.