Home / 23,243.50-34,991.73-21,176.79

Finding the Fourth Proportional to 23,243.50, 34,991.73 and 21,176.79

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Solution

The fourth proportional to 23,243.50, 34,991.73 and 21,176.79 is: 31,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,243.50 : 34,991.73 = 21,176.79 : x
  2. Step 2: Convert to fraction form
    23,243.50/34,991.73 = 21,176.79/x
  3. Step 3: Cross multiply
    23,243.50x = 34,991.73 × 21,176.79
  4. Step 4: Simplify right side
    23,243.50x = 741,012,517.95
  5. Step 5: Solve for x
    x = 741,012,517.95/23,243.50
  6. Step 6: Final answer
    x = 31,880.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.