Home / 53,008.72-73,153.38-29,136

Finding the Fourth Proportional to 53,008.72, 73,153.38 and 29,136

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Solution

The fourth proportional to 53,008.72, 73,153.38 and 29,136 is: 40,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,008.72 : 73,153.38 = 29,136 : x
  2. Step 2: Convert to fraction form
    53,008.72/73,153.38 = 29,136/x
  3. Step 3: Cross multiply
    53,008.72x = 73,153.38 × 29,136
  4. Step 4: Simplify right side
    53,008.72x = 2,131,396,879.68
  5. Step 5: Solve for x
    x = 2,131,396,879.68/53,008.72
  6. Step 6: Final answer
    x = 40,208.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.