Home / 31,208-46,815.96-11,500.30

Finding the Fourth Proportional to 31,208, 46,815.96 and 11,500.30

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Solution

The fourth proportional to 31,208, 46,815.96 and 11,500.30 is: 17,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,208 : 46,815.96 = 11,500.30 : x
  2. Step 2: Convert to fraction form
    31,208/46,815.96 = 11,500.30/x
  3. Step 3: Cross multiply
    31,208x = 46,815.96 × 11,500.30
  4. Step 4: Simplify right side
    31,208x = 538,397,584.79
  5. Step 5: Solve for x
    x = 538,397,584.79/31,208
  6. Step 6: Final answer
    x = 17,251.91

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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.