Home / 49,479.21-68,293.19-28,270.78

Finding the Fourth Proportional to 49,479.21, 68,293.19 and 28,270.78

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Solution

The fourth proportional to 49,479.21, 68,293.19 and 28,270.78 is: 39,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,479.21 : 68,293.19 = 28,270.78 : x
  2. Step 2: Convert to fraction form
    49,479.21/68,293.19 = 28,270.78/x
  3. Step 3: Cross multiply
    49,479.21x = 68,293.19 × 28,270.78
  4. Step 4: Simplify right side
    49,479.21x = 1,930,701,649.93
  5. Step 5: Solve for x
    x = 1,930,701,649.93/49,479.21
  6. Step 6: Final answer
    x = 39,020.46

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1.5x scale

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.