Home / 40,112.38-60,167.80-13,816.54

Finding the Fourth Proportional to 40,112.38, 60,167.80 and 13,816.54

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Solution

The fourth proportional to 40,112.38, 60,167.80 and 13,816.54 is: 20,724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.38 : 60,167.80 = 13,816.54 : x
  2. Step 2: Convert to fraction form
    40,112.38/60,167.80 = 13,816.54/x
  3. Step 3: Cross multiply
    40,112.38x = 60,167.80 × 13,816.54
  4. Step 4: Simplify right side
    40,112.38x = 831,310,815.41
  5. Step 5: Solve for x
    x = 831,310,815.41/40,112.38
  6. Step 6: Final answer
    x = 20,724.54

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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.