Home / 49,958.78-68,941.13-28,451.45

Finding the Fourth Proportional to 49,958.78, 68,941.13 and 28,451.45

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Solution

The fourth proportional to 49,958.78, 68,941.13 and 28,451.45 is: 39,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,958.78 : 68,941.13 = 28,451.45 : x
  2. Step 2: Convert to fraction form
    49,958.78/68,941.13 = 28,451.45/x
  3. Step 3: Cross multiply
    49,958.78x = 68,941.13 × 28,451.45
  4. Step 4: Simplify right side
    49,958.78x = 1,961,475,143.23
  5. Step 5: Solve for x
    x = 1,961,475,143.23/49,958.78
  6. Step 6: Final answer
    x = 39,261.87

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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.