Home / 33,318.40-49,964.16-12,530.56

Finding the Fourth Proportional to 33,318.40, 49,964.16 and 12,530.56

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Solution

The fourth proportional to 33,318.40, 49,964.16 and 12,530.56 is: 18,790.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,318.40 : 49,964.16 = 12,530.56 : x
  2. Step 2: Convert to fraction form
    33,318.40/49,964.16 = 12,530.56/x
  3. Step 3: Cross multiply
    33,318.40x = 49,964.16 × 12,530.56
  4. Step 4: Simplify right side
    33,318.40x = 626,078,904.73
  5. Step 5: Solve for x
    x = 626,078,904.73/33,318.40
  6. Step 6: Final answer
    x = 18,790.79

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Why These Related Problems?

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