Home / 54,383.79-75,049.45-30,188.41

Finding the Fourth Proportional to 54,383.79, 75,049.45 and 30,188.41

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Solution

The fourth proportional to 54,383.79, 75,049.45 and 30,188.41 is: 41,659.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,383.79 : 75,049.45 = 30,188.41 : x
  2. Step 2: Convert to fraction form
    54,383.79/75,049.45 = 30,188.41/x
  3. Step 3: Cross multiply
    54,383.79x = 75,049.45 × 30,188.41
  4. Step 4: Simplify right side
    54,383.79x = 2,265,623,566.87
  5. Step 5: Solve for x
    x = 2,265,623,566.87/54,383.79
  6. Step 6: Final answer
    x = 41,659.91

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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.