Home / 45,410.39-68,126.51-14,245.64

Finding the Fourth Proportional to 45,410.39, 68,126.51 and 14,245.64

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Solution

The fourth proportional to 45,410.39, 68,126.51 and 14,245.64 is: 21,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,410.39 : 68,126.51 = 14,245.64 : x
  2. Step 2: Convert to fraction form
    45,410.39/68,126.51 = 14,245.64/x
  3. Step 3: Cross multiply
    45,410.39x = 68,126.51 × 14,245.64
  4. Step 4: Simplify right side
    45,410.39x = 970,505,324.06
  5. Step 5: Solve for x
    x = 970,505,324.06/45,410.39
  6. Step 6: Final answer
    x = 21,371.88

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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.