Home / 30,922.78-46,348.26-14,247.81

Finding the Fourth Proportional to 30,922.78, 46,348.26 and 14,247.81

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Solution

The fourth proportional to 30,922.78, 46,348.26 and 14,247.81 is: 21,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,922.78 : 46,348.26 = 14,247.81 : x
  2. Step 2: Convert to fraction form
    30,922.78/46,348.26 = 14,247.81/x
  3. Step 3: Cross multiply
    30,922.78x = 46,348.26 × 14,247.81
  4. Step 4: Simplify right side
    30,922.78x = 660,361,202.31
  5. Step 5: Solve for x
    x = 660,361,202.31/30,922.78
  6. Step 6: Final answer
    x = 21,355.17

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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.