Home / 31,208.68-46,811.19-9,021.57

Finding the Fourth Proportional to 31,208.68, 46,811.19 and 9,021.57

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Solution

The fourth proportional to 31,208.68, 46,811.19 and 9,021.57 is: 13,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,208.68 : 46,811.19 = 9,021.57 : x
  2. Step 2: Convert to fraction form
    31,208.68/46,811.19 = 9,021.57/x
  3. Step 3: Cross multiply
    31,208.68x = 46,811.19 × 9,021.57
  4. Step 4: Simplify right side
    31,208.68x = 422,310,427.37
  5. Step 5: Solve for x
    x = 422,310,427.37/31,208.68
  6. Step 6: Final answer
    x = 13,531.83

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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.