Home / 55,847.12-83,784.38-27,780.44

Finding the Fourth Proportional to 55,847.12, 83,784.38 and 27,780.44

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Solution

The fourth proportional to 55,847.12, 83,784.38 and 27,780.44 is: 41,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,847.12 : 83,784.38 = 27,780.44 : x
  2. Step 2: Convert to fraction form
    55,847.12/83,784.38 = 27,780.44/x
  3. Step 3: Cross multiply
    55,847.12x = 83,784.38 × 27,780.44
  4. Step 4: Simplify right side
    55,847.12x = 2,327,566,383.70
  5. Step 5: Solve for x
    x = 2,327,566,383.70/55,847.12
  6. Step 6: Final answer
    x = 41,677.47

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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.