Home / 49,099.32-73,636.43-21,023.91

Finding the Fourth Proportional to 49,099.32, 73,636.43 and 21,023.91

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Solution

The fourth proportional to 49,099.32, 73,636.43 and 21,023.91 is: 31,530.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,099.32 : 73,636.43 = 21,023.91 : x
  2. Step 2: Convert to fraction form
    49,099.32/73,636.43 = 21,023.91/x
  3. Step 3: Cross multiply
    49,099.32x = 73,636.43 × 21,023.91
  4. Step 4: Simplify right side
    49,099.32x = 1,548,125,571.92
  5. Step 5: Solve for x
    x = 1,548,125,571.92/49,099.32
  6. Step 6: Final answer
    x = 31,530.49

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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.