Home / 55,377.60-76,399.38-34,119.96

Finding the Fourth Proportional to 55,377.60, 76,399.38 and 34,119.96

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Solution

The fourth proportional to 55,377.60, 76,399.38 and 34,119.96 is: 47,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,377.60 : 76,399.38 = 34,119.96 : x
  2. Step 2: Convert to fraction form
    55,377.60/76,399.38 = 34,119.96/x
  3. Step 3: Cross multiply
    55,377.60x = 76,399.38 × 34,119.96
  4. Step 4: Simplify right side
    55,377.60x = 2,606,743,789.62
  5. Step 5: Solve for x
    x = 2,606,743,789.62/55,377.60
  6. Step 6: Final answer
    x = 47,072.17

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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.