Home / 31,012.36-46,524.12-11,318.56

Finding the Fourth Proportional to 31,012.36, 46,524.12 and 11,318.56

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Solution

The fourth proportional to 31,012.36, 46,524.12 and 11,318.56 is: 16,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,012.36 : 46,524.12 = 11,318.56 : x
  2. Step 2: Convert to fraction form
    31,012.36/46,524.12 = 11,318.56/x
  3. Step 3: Cross multiply
    31,012.36x = 46,524.12 × 11,318.56
  4. Step 4: Simplify right side
    31,012.36x = 526,586,043.67
  5. Step 5: Solve for x
    x = 526,586,043.67/31,012.36
  6. Step 6: Final answer
    x = 16,979.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.