Home / 45,481.94-68,194.28-13,881.49

Finding the Fourth Proportional to 45,481.94, 68,194.28 and 13,881.49

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Solution

The fourth proportional to 45,481.94, 68,194.28 and 13,881.49 is: 20,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,481.94 : 68,194.28 = 13,881.49 : x
  2. Step 2: Convert to fraction form
    45,481.94/68,194.28 = 13,881.49/x
  3. Step 3: Cross multiply
    45,481.94x = 68,194.28 × 13,881.49
  4. Step 4: Simplify right side
    45,481.94x = 946,638,335.82
  5. Step 5: Solve for x
    x = 946,638,335.82/45,481.94
  6. Step 6: Final answer
    x = 20,813.50

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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.