Home / 55,748.12-83,622.94-18,311.09

Finding the Fourth Proportional to 55,748.12, 83,622.94 and 18,311.09

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Solution

The fourth proportional to 55,748.12, 83,622.94 and 18,311.09 is: 27,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,748.12 : 83,622.94 = 18,311.09 : x
  2. Step 2: Convert to fraction form
    55,748.12/83,622.94 = 18,311.09/x
  3. Step 3: Cross multiply
    55,748.12x = 83,622.94 × 18,311.09
  4. Step 4: Simplify right side
    55,748.12x = 1,531,226,716.51
  5. Step 5: Solve for x
    x = 1,531,226,716.51/55,748.12
  6. Step 6: Final answer
    x = 27,466.88

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1.5x scale

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.