Home / 30,748.30-46,087.88-15,176.86

Finding the Fourth Proportional to 30,748.30, 46,087.88 and 15,176.86

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Solution

The fourth proportional to 30,748.30, 46,087.88 and 15,176.86 is: 22,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,748.30 : 46,087.88 = 15,176.86 : x
  2. Step 2: Convert to fraction form
    30,748.30/46,087.88 = 15,176.86/x
  3. Step 3: Cross multiply
    30,748.30x = 46,087.88 × 15,176.86
  4. Step 4: Simplify right side
    30,748.30x = 699,469,072.02
  5. Step 5: Solve for x
    x = 699,469,072.02/30,748.30
  6. Step 6: Final answer
    x = 22,748.22

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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.