Home / 30,881.44-46,328.70-11,906.56

Finding the Fourth Proportional to 30,881.44, 46,328.70 and 11,906.56

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Solution

The fourth proportional to 30,881.44, 46,328.70 and 11,906.56 is: 17,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.44 : 46,328.70 = 11,906.56 : x
  2. Step 2: Convert to fraction form
    30,881.44/46,328.70 = 11,906.56/x
  3. Step 3: Cross multiply
    30,881.44x = 46,328.70 × 11,906.56
  4. Step 4: Simplify right side
    30,881.44x = 551,615,446.27
  5. Step 5: Solve for x
    x = 551,615,446.27/30,881.44
  6. Step 6: Final answer
    x = 17,862.36

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1.5x scale

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.