Home / 55,716.82-76,884.60-30,566.32

Finding the Fourth Proportional to 55,716.82, 76,884.60 and 30,566.32

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Solution

The fourth proportional to 55,716.82, 76,884.60 and 30,566.32 is: 42,178.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716.82 : 76,884.60 = 30,566.32 : x
  2. Step 2: Convert to fraction form
    55,716.82/76,884.60 = 30,566.32/x
  3. Step 3: Cross multiply
    55,716.82x = 76,884.60 × 30,566.32
  4. Step 4: Simplify right side
    55,716.82x = 2,350,079,286.67
  5. Step 5: Solve for x
    x = 2,350,079,286.67/55,716.82
  6. Step 6: Final answer
    x = 42,178.99

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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.