Home / 29,040.82-40,076.16-16,119.97

Finding the Fourth Proportional to 29,040.82, 40,076.16 and 16,119.97

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Solution

The fourth proportional to 29,040.82, 40,076.16 and 16,119.97 is: 22,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.82 : 40,076.16 = 16,119.97 : x
  2. Step 2: Convert to fraction form
    29,040.82/40,076.16 = 16,119.97/x
  3. Step 3: Cross multiply
    29,040.82x = 40,076.16 × 16,119.97
  4. Step 4: Simplify right side
    29,040.82x = 646,026,496.92
  5. Step 5: Solve for x
    x = 646,026,496.92/29,040.82
  6. Step 6: Final answer
    x = 22,245.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.