Home / 49,420.25-74,122.04-13,873.42

Finding the Fourth Proportional to 49,420.25, 74,122.04 and 13,873.42

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Solution

The fourth proportional to 49,420.25, 74,122.04 and 13,873.42 is: 20,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.25 : 74,122.04 = 13,873.42 : x
  2. Step 2: Convert to fraction form
    49,420.25/74,122.04 = 13,873.42/x
  3. Step 3: Cross multiply
    49,420.25x = 74,122.04 × 13,873.42
  4. Step 4: Simplify right side
    49,420.25x = 1,028,325,752.20
  5. Step 5: Solve for x
    x = 1,028,325,752.20/49,420.25
  6. Step 6: Final answer
    x = 20,807.78

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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.