Home / 42,025.24-63,046.82-20,976.60

Finding the Fourth Proportional to 42,025.24, 63,046.82 and 20,976.60

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Solution

The fourth proportional to 42,025.24, 63,046.82 and 20,976.60 is: 31,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,025.24 : 63,046.82 = 20,976.60 : x
  2. Step 2: Convert to fraction form
    42,025.24/63,046.82 = 20,976.60/x
  3. Step 3: Cross multiply
    42,025.24x = 63,046.82 × 20,976.60
  4. Step 4: Simplify right side
    42,025.24x = 1,322,507,924.41
  5. Step 5: Solve for x
    x = 1,322,507,924.41/42,025.24
  6. Step 6: Final answer
    x = 31,469.37

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1.5x scale

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.