Home / 31,129.20-46,656.90-17,954.37

Finding the Fourth Proportional to 31,129.20, 46,656.90 and 17,954.37

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Solution

The fourth proportional to 31,129.20, 46,656.90 and 17,954.37 is: 26,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,129.20 : 46,656.90 = 17,954.37 : x
  2. Step 2: Convert to fraction form
    31,129.20/46,656.90 = 17,954.37/x
  3. Step 3: Cross multiply
    31,129.20x = 46,656.90 × 17,954.37
  4. Step 4: Simplify right side
    31,129.20x = 837,695,245.65
  5. Step 5: Solve for x
    x = 837,695,245.65/31,129.20
  6. Step 6: Final answer
    x = 26,910.27

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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.