Home / 55,747.08-76,905.88-33,087.06

Finding the Fourth Proportional to 55,747.08, 76,905.88 and 33,087.06

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Solution

The fourth proportional to 55,747.08, 76,905.88 and 33,087.06 is: 45,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,747.08 : 76,905.88 = 33,087.06 : x
  2. Step 2: Convert to fraction form
    55,747.08/76,905.88 = 33,087.06/x
  3. Step 3: Cross multiply
    55,747.08x = 76,905.88 × 33,087.06
  4. Step 4: Simplify right side
    55,747.08x = 2,544,589,383.20
  5. Step 5: Solve for x
    x = 2,544,589,383.20/55,747.08
  6. Step 6: Final answer
    x = 45,645.25

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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.