Home / 31,968.68-47,895.42-17,161.88

Finding the Fourth Proportional to 31,968.68, 47,895.42 and 17,161.88

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Solution

The fourth proportional to 31,968.68, 47,895.42 and 17,161.88 is: 25,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968.68 : 47,895.42 = 17,161.88 : x
  2. Step 2: Convert to fraction form
    31,968.68/47,895.42 = 17,161.88/x
  3. Step 3: Cross multiply
    31,968.68x = 47,895.42 × 17,161.88
  4. Step 4: Simplify right side
    31,968.68x = 821,975,450.59
  5. Step 5: Solve for x
    x = 821,975,450.59/31,968.68
  6. Step 6: Final answer
    x = 25,711.90

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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.