Home / 49,419.48-68,203.78-28,201.94

Finding the Fourth Proportional to 49,419.48, 68,203.78 and 28,201.94

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Solution

The fourth proportional to 49,419.48, 68,203.78 and 28,201.94 is: 38,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,419.48 : 68,203.78 = 28,201.94 : x
  2. Step 2: Convert to fraction form
    49,419.48/68,203.78 = 28,201.94/x
  3. Step 3: Cross multiply
    49,419.48x = 68,203.78 × 28,201.94
  4. Step 4: Simplify right side
    49,419.48x = 1,923,478,755.57
  5. Step 5: Solve for x
    x = 1,923,478,755.57/49,419.48
  6. Step 6: Final answer
    x = 38,921.47

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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.