Home / 55,773.45-76,968.28-30,279.81

Finding the Fourth Proportional to 55,773.45, 76,968.28 and 30,279.81

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Solution

The fourth proportional to 55,773.45, 76,968.28 and 30,279.81 is: 41,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,773.45 : 76,968.28 = 30,279.81 : x
  2. Step 2: Convert to fraction form
    55,773.45/76,968.28 = 30,279.81/x
  3. Step 3: Cross multiply
    55,773.45x = 76,968.28 × 30,279.81
  4. Step 4: Simplify right side
    55,773.45x = 2,330,584,932.28
  5. Step 5: Solve for x
    x = 2,330,584,932.28/55,773.45
  6. Step 6: Final answer
    x = 41,786.64

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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.