Home / 49,420.75-74,122.78-13,873.92

Finding the Fourth Proportional to 49,420.75, 74,122.78 and 13,873.92

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Solution

The fourth proportional to 49,420.75, 74,122.78 and 13,873.92 is: 20,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.75 : 74,122.78 = 13,873.92 : x
  2. Step 2: Convert to fraction form
    49,420.75/74,122.78 = 13,873.92/x
  3. Step 3: Cross multiply
    49,420.75x = 74,122.78 × 13,873.92
  4. Step 4: Simplify right side
    49,420.75x = 1,028,373,519.90
  5. Step 5: Solve for x
    x = 1,028,373,519.90/49,420.75
  6. Step 6: Final answer
    x = 20,808.54

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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.