Home / 49,208.96-73,813.80-21,105.30

Finding the Fourth Proportional to 49,208.96, 73,813.80 and 21,105.30

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Solution

The fourth proportional to 49,208.96, 73,813.80 and 21,105.30 is: 31,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,208.96 : 73,813.80 = 21,105.30 : x
  2. Step 2: Convert to fraction form
    49,208.96/73,813.80 = 21,105.30/x
  3. Step 3: Cross multiply
    49,208.96x = 73,813.80 × 21,105.30
  4. Step 4: Simplify right side
    49,208.96x = 1,557,862,393.14
  5. Step 5: Solve for x
    x = 1,557,862,393.14/49,208.96
  6. Step 6: Final answer
    x = 31,658.10

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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.