Home / 38,604.97-57,915.57-13,306.79

Finding the Fourth Proportional to 38,604.97, 57,915.57 and 13,306.79

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Solution

The fourth proportional to 38,604.97, 57,915.57 and 13,306.79 is: 19,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,604.97 : 57,915.57 = 13,306.79 : x
  2. Step 2: Convert to fraction form
    38,604.97/57,915.57 = 13,306.79/x
  3. Step 3: Cross multiply
    38,604.97x = 57,915.57 × 13,306.79
  4. Step 4: Simplify right side
    38,604.97x = 770,670,327.72
  5. Step 5: Solve for x
    x = 770,670,327.72/38,604.97
  6. Step 6: Final answer
    x = 19,962.98

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1.5x scale

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.