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Finding the Fourth Proportional to 49,195.80, 73,810.44 and 15,917.22

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Solution

The fourth proportional to 49,195.80, 73,810.44 and 15,917.22 is: 23,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,195.80 : 73,810.44 = 15,917.22 : x
  2. Step 2: Convert to fraction form
    49,195.80/73,810.44 = 15,917.22/x
  3. Step 3: Cross multiply
    49,195.80x = 73,810.44 × 15,917.22
  4. Step 4: Simplify right side
    49,195.80x = 1,174,857,011.78
  5. Step 5: Solve for x
    x = 1,174,857,011.78/49,195.80
  6. Step 6: Final answer
    x = 23,881.25

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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.