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Finding the Fourth Proportional to 49,059.44, 73,598.88 and 19,491.20

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Solution

The fourth proportional to 49,059.44, 73,598.88 and 19,491.20 is: 29,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,059.44 : 73,598.88 = 19,491.20 : x
  2. Step 2: Convert to fraction form
    49,059.44/73,598.88 = 19,491.20/x
  3. Step 3: Cross multiply
    49,059.44x = 73,598.88 × 19,491.20
  4. Step 4: Simplify right side
    49,059.44x = 1,434,530,489.86
  5. Step 5: Solve for x
    x = 1,434,530,489.86/49,059.44
  6. Step 6: Final answer
    x = 29,240.66

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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.