Home / 55,561.77-83,334.20-18,121.79

Finding the Fourth Proportional to 55,561.77, 83,334.20 and 18,121.79

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Solution

The fourth proportional to 55,561.77, 83,334.20 and 18,121.79 is: 27,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,561.77 : 83,334.20 = 18,121.79 : x
  2. Step 2: Convert to fraction form
    55,561.77/83,334.20 = 18,121.79/x
  3. Step 3: Cross multiply
    55,561.77x = 83,334.20 × 18,121.79
  4. Step 4: Simplify right side
    55,561.77x = 1,510,165,091.88
  5. Step 5: Solve for x
    x = 1,510,165,091.88/55,561.77
  6. Step 6: Final answer
    x = 27,179.93

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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.