Home / 55,412.98-76,553.31-36,338.02

Finding the Fourth Proportional to 55,412.98, 76,553.31 and 36,338.02

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Solution

The fourth proportional to 55,412.98, 76,553.31 and 36,338.02 is: 50,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412.98 : 76,553.31 = 36,338.02 : x
  2. Step 2: Convert to fraction form
    55,412.98/76,553.31 = 36,338.02/x
  3. Step 3: Cross multiply
    55,412.98x = 76,553.31 × 36,338.02
  4. Step 4: Simplify right side
    55,412.98x = 2,781,795,709.85
  5. Step 5: Solve for x
    x = 2,781,795,709.85/55,412.98
  6. Step 6: Final answer
    x = 50,201.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.