Home / 49,272.21-73,908.72-21,190.32

Finding the Fourth Proportional to 49,272.21, 73,908.72 and 21,190.32

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Solution

The fourth proportional to 49,272.21, 73,908.72 and 21,190.32 is: 31,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,272.21 : 73,908.72 = 21,190.32 : x
  2. Step 2: Convert to fraction form
    49,272.21/73,908.72 = 21,190.32/x
  3. Step 3: Cross multiply
    49,272.21x = 73,908.72 × 21,190.32
  4. Step 4: Simplify right side
    49,272.21x = 1,566,149,427.59
  5. Step 5: Solve for x
    x = 1,566,149,427.59/49,272.21
  6. Step 6: Final answer
    x = 31,785.65

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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.