Home / 35,471.72-48,951.32-19,556.80

Finding the Fourth Proportional to 35,471.72, 48,951.32 and 19,556.80

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Solution

The fourth proportional to 35,471.72, 48,951.32 and 19,556.80 is: 26,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,471.72 : 48,951.32 = 19,556.80 : x
  2. Step 2: Convert to fraction form
    35,471.72/48,951.32 = 19,556.80/x
  3. Step 3: Cross multiply
    35,471.72x = 48,951.32 × 19,556.80
  4. Step 4: Simplify right side
    35,471.72x = 957,331,174.98
  5. Step 5: Solve for x
    x = 957,331,174.98/35,471.72
  6. Step 6: Final answer
    x = 26,988.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.