Home / 49,185.15-73,781.77-15,910.55

Finding the Fourth Proportional to 49,185.15, 73,781.77 and 15,910.55

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Solution

The fourth proportional to 49,185.15, 73,781.77 and 15,910.55 is: 23,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,185.15 : 73,781.77 = 15,910.55 : x
  2. Step 2: Convert to fraction form
    49,185.15/73,781.77 = 15,910.55/x
  3. Step 3: Cross multiply
    49,185.15x = 73,781.77 × 15,910.55
  4. Step 4: Simplify right side
    49,185.15x = 1,173,908,540.67
  5. Step 5: Solve for x
    x = 1,173,908,540.67/49,185.15
  6. Step 6: Final answer
    x = 23,867.13

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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.