Home / 50,789.76-70,067.72-30,635.45

Finding the Fourth Proportional to 50,789.76, 70,067.72 and 30,635.45

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Solution

The fourth proportional to 50,789.76, 70,067.72 and 30,635.45 is: 42,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,789.76 : 70,067.72 = 30,635.45 : x
  2. Step 2: Convert to fraction form
    50,789.76/70,067.72 = 30,635.45/x
  3. Step 3: Cross multiply
    50,789.76x = 70,067.72 × 30,635.45
  4. Step 4: Simplify right side
    50,789.76x = 2,146,555,629.16
  5. Step 5: Solve for x
    x = 2,146,555,629.16/50,789.76
  6. Step 6: Final answer
    x = 42,263.55

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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.