Home / 55,757.18-83,618.16-18,311.09

Finding the Fourth Proportional to 55,757.18, 83,618.16 and 18,311.09

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Solution

The fourth proportional to 55,757.18, 83,618.16 and 18,311.09 is: 27,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,757.18 : 83,618.16 = 18,311.09 : x
  2. Step 2: Convert to fraction form
    55,757.18/83,618.16 = 18,311.09/x
  3. Step 3: Cross multiply
    55,757.18x = 83,618.16 × 18,311.09
  4. Step 4: Simplify right side
    55,757.18x = 1,531,139,166.64
  5. Step 5: Solve for x
    x = 1,531,139,166.64/55,757.18
  6. Step 6: Final answer
    x = 27,460.84

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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.