Home / 40,043.20-60,066-13,747.54

Finding the Fourth Proportional to 40,043.20, 60,066 and 13,747.54

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Solution

The fourth proportional to 40,043.20, 60,066 and 13,747.54 is: 20,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,043.20 : 60,066 = 13,747.54 : x
  2. Step 2: Convert to fraction form
    40,043.20/60,066 = 13,747.54/x
  3. Step 3: Cross multiply
    40,043.20x = 60,066 × 13,747.54
  4. Step 4: Simplify right side
    40,043.20x = 825,759,737.64
  5. Step 5: Solve for x
    x = 825,759,737.64/40,043.20
  6. Step 6: Final answer
    x = 20,621.72

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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.