Home / 31,766.88-43,838.51-17,619.96

Finding the Fourth Proportional to 31,766.88, 43,838.51 and 17,619.96

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Solution

The fourth proportional to 31,766.88, 43,838.51 and 17,619.96 is: 24,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.88 : 43,838.51 = 17,619.96 : x
  2. Step 2: Convert to fraction form
    31,766.88/43,838.51 = 17,619.96/x
  3. Step 3: Cross multiply
    31,766.88x = 43,838.51 × 17,619.96
  4. Step 4: Simplify right side
    31,766.88x = 772,432,704.56
  5. Step 5: Solve for x
    x = 772,432,704.56/31,766.88
  6. Step 6: Final answer
    x = 24,315.66

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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.