Home / 49,519.97-68,331.42-31,625.45

Finding the Fourth Proportional to 49,519.97, 68,331.42 and 31,625.45

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Solution

The fourth proportional to 49,519.97, 68,331.42 and 31,625.45 is: 43,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,519.97 : 68,331.42 = 31,625.45 : x
  2. Step 2: Convert to fraction form
    49,519.97/68,331.42 = 31,625.45/x
  3. Step 3: Cross multiply
    49,519.97x = 68,331.42 × 31,625.45
  4. Step 4: Simplify right side
    49,519.97x = 2,161,011,906.64
  5. Step 5: Solve for x
    x = 2,161,011,906.64/49,519.97
  6. Step 6: Final answer
    x = 43,639.20

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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.