Home / 36,222-49,986.54-21,125.13

Finding the Fourth Proportional to 36,222, 49,986.54 and 21,125.13

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Solution

The fourth proportional to 36,222, 49,986.54 and 21,125.13 is: 29,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222 : 49,986.54 = 21,125.13 : x
  2. Step 2: Convert to fraction form
    36,222/49,986.54 = 21,125.13/x
  3. Step 3: Cross multiply
    36,222x = 49,986.54 × 21,125.13
  4. Step 4: Simplify right side
    36,222x = 1,055,972,155.75
  5. Step 5: Solve for x
    x = 1,055,972,155.75/36,222
  6. Step 6: Final answer
    x = 29,152.78

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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.