Home / 55,940.82-77,198.96-30,447.35

Finding the Fourth Proportional to 55,940.82, 77,198.96 and 30,447.35

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Solution

The fourth proportional to 55,940.82, 77,198.96 and 30,447.35 is: 42,017.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,940.82 : 77,198.96 = 30,447.35 : x
  2. Step 2: Convert to fraction form
    55,940.82/77,198.96 = 30,447.35/x
  3. Step 3: Cross multiply
    55,940.82x = 77,198.96 × 30,447.35
  4. Step 4: Simplify right side
    55,940.82x = 2,350,503,754.76
  5. Step 5: Solve for x
    x = 2,350,503,754.76/55,940.82
  6. Step 6: Final answer
    x = 42,017.69

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1.5x scale

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.