Home / 34,764.48-47,974.70-19,660.11

Finding the Fourth Proportional to 34,764.48, 47,974.70 and 19,660.11

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Solution

The fourth proportional to 34,764.48, 47,974.70 and 19,660.11 is: 27,130.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,764.48 : 47,974.70 = 19,660.11 : x
  2. Step 2: Convert to fraction form
    34,764.48/47,974.70 = 19,660.11/x
  3. Step 3: Cross multiply
    34,764.48x = 47,974.70 × 19,660.11
  4. Step 4: Simplify right side
    34,764.48x = 943,187,879.22
  5. Step 5: Solve for x
    x = 943,187,879.22/34,764.48
  6. Step 6: Final answer
    x = 27,130.79

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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.