Home / 40,257,738.25-55,558,057.31-30,317,082.77

Finding the Fourth Proportional to 40,257,738.25, 55,558,057.31 and 30,317,082.77

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Solution

The fourth proportional to 40,257,738.25, 55,558,057.31 and 30,317,082.77 is: 41,839,365.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,257,738.25 : 55,558,057.31 = 30,317,082.77 : x
  2. Step 2: Convert to fraction form
    40,257,738.25/55,558,057.31 = 30,317,082.77/x
  3. Step 3: Cross multiply
    40,257,738.25x = 55,558,057.31 × 30,317,082.77
  4. Step 4: Simplify right side
    40,257,738.25x = 1,684,358,221,691,987
  5. Step 5: Solve for x
    x = 1,684,358,221,691,987/40,257,738.25
  6. Step 6: Final answer
    x = 41,839,365.42

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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.