Home / 34,765.43-47,976.01-19,658.09

Finding the Fourth Proportional to 34,765.43, 47,976.01 and 19,658.09

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Solution

The fourth proportional to 34,765.43, 47,976.01 and 19,658.09 is: 27,128.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,765.43 : 47,976.01 = 19,658.09 : x
  2. Step 2: Convert to fraction form
    34,765.43/47,976.01 = 19,658.09/x
  3. Step 3: Cross multiply
    34,765.43x = 47,976.01 × 19,658.09
  4. Step 4: Simplify right side
    34,765.43x = 943,116,433.40
  5. Step 5: Solve for x
    x = 943,116,433.40/34,765.43
  6. Step 6: Final answer
    x = 27,128.00

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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.