Home / 36,224.69-49,987.98-21,119.81

Finding the Fourth Proportional to 36,224.69, 49,987.98 and 21,119.81

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Solution

The fourth proportional to 36,224.69, 49,987.98 and 21,119.81 is: 29,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,224.69 : 49,987.98 = 21,119.81 : x
  2. Step 2: Convert to fraction form
    36,224.69/49,987.98 = 21,119.81/x
  3. Step 3: Cross multiply
    36,224.69x = 49,987.98 × 21,119.81
  4. Step 4: Simplify right side
    36,224.69x = 1,055,736,389.94
  5. Step 5: Solve for x
    x = 1,055,736,389.94/36,224.69
  6. Step 6: Final answer
    x = 29,144.12

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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.