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Finding the Fourth Proportional to 49,149.04, 73,631.04 and 29,099.20

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Solution

The fourth proportional to 49,149.04, 73,631.04 and 29,099.20 is: 43,594.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,149.04 : 73,631.04 = 29,099.20 : x
  2. Step 2: Convert to fraction form
    49,149.04/73,631.04 = 29,099.20/x
  3. Step 3: Cross multiply
    49,149.04x = 73,631.04 × 29,099.20
  4. Step 4: Simplify right side
    49,149.04x = 2,142,604,359.17
  5. Step 5: Solve for x
    x = 2,142,604,359.17/49,149.04
  6. Step 6: Final answer
    x = 43,594.02

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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.