Home / 31,334.40-43,243.85-17,906.22

Finding the Fourth Proportional to 31,334.40, 43,243.85 and 17,906.22

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Solution

The fourth proportional to 31,334.40, 43,243.85 and 17,906.22 is: 24,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.40 : 43,243.85 = 17,906.22 : x
  2. Step 2: Convert to fraction form
    31,334.40/43,243.85 = 17,906.22/x
  3. Step 3: Cross multiply
    31,334.40x = 43,243.85 × 17,906.22
  4. Step 4: Simplify right side
    31,334.40x = 774,333,891.75
  5. Step 5: Solve for x
    x = 774,333,891.75/31,334.40
  6. Step 6: Final answer
    x = 24,711.94

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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.