Home / 55,905.80-83,861.33-18,469.22

Finding the Fourth Proportional to 55,905.80, 83,861.33 and 18,469.22

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Solution

The fourth proportional to 55,905.80, 83,861.33 and 18,469.22 is: 27,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,905.80 : 83,861.33 = 18,469.22 : x
  2. Step 2: Convert to fraction form
    55,905.80/83,861.33 = 18,469.22/x
  3. Step 3: Cross multiply
    55,905.80x = 83,861.33 × 18,469.22
  4. Step 4: Simplify right side
    55,905.80x = 1,548,852,841.61
  5. Step 5: Solve for x
    x = 1,548,852,841.61/55,905.80
  6. Step 6: Final answer
    x = 27,704.69

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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.