Home / 49,420.47-68,201.42-28,201.71

Finding the Fourth Proportional to 49,420.47, 68,201.42 and 28,201.71

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Solution

The fourth proportional to 49,420.47, 68,201.42 and 28,201.71 is: 38,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.47 : 68,201.42 = 28,201.71 : x
  2. Step 2: Convert to fraction form
    49,420.47/68,201.42 = 28,201.71/x
  3. Step 3: Cross multiply
    49,420.47x = 68,201.42 × 28,201.71
  4. Step 4: Simplify right side
    49,420.47x = 1,923,396,527.42
  5. Step 5: Solve for x
    x = 1,923,396,527.42/49,420.47
  6. Step 6: Final answer
    x = 38,919.03

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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.