Home / 38,630.90-57,934.06-19,908.56

Finding the Fourth Proportional to 38,630.90, 57,934.06 and 19,908.56

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Solution

The fourth proportional to 38,630.90, 57,934.06 and 19,908.56 is: 29,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,630.90 : 57,934.06 = 19,908.56 : x
  2. Step 2: Convert to fraction form
    38,630.90/57,934.06 = 19,908.56/x
  3. Step 3: Cross multiply
    38,630.90x = 57,934.06 × 19,908.56
  4. Step 4: Simplify right side
    38,630.90x = 1,153,383,709.55
  5. Step 5: Solve for x
    x = 1,153,383,709.55/38,630.90
  6. Step 6: Final answer
    x = 29,856.51

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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.