Home / 45,418.28-68,138.36-14,253.52

Finding the Fourth Proportional to 45,418.28, 68,138.36 and 14,253.52

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Solution

The fourth proportional to 45,418.28, 68,138.36 and 14,253.52 is: 21,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,418.28 : 68,138.36 = 14,253.52 : x
  2. Step 2: Convert to fraction form
    45,418.28/68,138.36 = 14,253.52/x
  3. Step 3: Cross multiply
    45,418.28x = 68,138.36 × 14,253.52
  4. Step 4: Simplify right side
    45,418.28x = 971,211,477.03
  5. Step 5: Solve for x
    x = 971,211,477.03/45,418.28
  6. Step 6: Final answer
    x = 21,383.71

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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.