Home / 34,795.96-48,015.18-19,690

Finding the Fourth Proportional to 34,795.96, 48,015.18 and 19,690

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Solution

The fourth proportional to 34,795.96, 48,015.18 and 19,690 is: 27,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,795.96 : 48,015.18 = 19,690 : x
  2. Step 2: Convert to fraction form
    34,795.96/48,015.18 = 19,690/x
  3. Step 3: Cross multiply
    34,795.96x = 48,015.18 × 19,690
  4. Step 4: Simplify right side
    34,795.96x = 945,418,894.20
  5. Step 5: Solve for x
    x = 945,418,894.20/34,795.96
  6. Step 6: Final answer
    x = 27,170.36

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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.