Home / 51,879.57-77,889.32-33,196.08

Finding the Fourth Proportional to 51,879.57, 77,889.32 and 33,196.08

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Solution

The fourth proportional to 51,879.57, 77,889.32 and 33,196.08 is: 49,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,879.57 : 77,889.32 = 33,196.08 : x
  2. Step 2: Convert to fraction form
    51,879.57/77,889.32 = 33,196.08/x
  3. Step 3: Cross multiply
    51,879.57x = 77,889.32 × 33,196.08
  4. Step 4: Simplify right side
    51,879.57x = 2,585,620,097.87
  5. Step 5: Solve for x
    x = 2,585,620,097.87/51,879.57
  6. Step 6: Final answer
    x = 49,838.89

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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.