Home / 29,749.75-41,051.61-17,812.78

Finding the Fourth Proportional to 29,749.75, 41,051.61 and 17,812.78

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Solution

The fourth proportional to 29,749.75, 41,051.61 and 17,812.78 is: 24,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,749.75 : 41,051.61 = 17,812.78 : x
  2. Step 2: Convert to fraction form
    29,749.75/41,051.61 = 17,812.78/x
  3. Step 3: Cross multiply
    29,749.75x = 41,051.61 × 17,812.78
  4. Step 4: Simplify right side
    29,749.75x = 731,243,194.95
  5. Step 5: Solve for x
    x = 731,243,194.95/29,749.75
  6. Step 6: Final answer
    x = 24,579.81

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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.