Home / 34,018.35-46,949.21-18,912.51

Finding the Fourth Proportional to 34,018.35, 46,949.21 and 18,912.51

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Solution

The fourth proportional to 34,018.35, 46,949.21 and 18,912.51 is: 26,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,018.35 : 46,949.21 = 18,912.51 : x
  2. Step 2: Convert to fraction form
    34,018.35/46,949.21 = 18,912.51/x
  3. Step 3: Cross multiply
    34,018.35x = 46,949.21 × 18,912.51
  4. Step 4: Simplify right side
    34,018.35x = 887,927,403.62
  5. Step 5: Solve for x
    x = 887,927,403.62/34,018.35
  6. Step 6: Final answer
    x = 26,101.42

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1.5x scale

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.