Home / 30,932.21-42,687.27-16,785.06

Finding the Fourth Proportional to 30,932.21, 42,687.27 and 16,785.06

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Solution

The fourth proportional to 30,932.21, 42,687.27 and 16,785.06 is: 23,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,932.21 : 42,687.27 = 16,785.06 : x
  2. Step 2: Convert to fraction form
    30,932.21/42,687.27 = 16,785.06/x
  3. Step 3: Cross multiply
    30,932.21x = 42,687.27 × 16,785.06
  4. Step 4: Simplify right side
    30,932.21x = 716,508,388.19
  5. Step 5: Solve for x
    x = 716,508,388.19/30,932.21
  6. Step 6: Final answer
    x = 23,163.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.