Home / 31,126.40-46,657.20-17,064.80

Finding the Fourth Proportional to 31,126.40, 46,657.20 and 17,064.80

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Solution

The fourth proportional to 31,126.40, 46,657.20 and 17,064.80 is: 25,579.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126.40 : 46,657.20 = 17,064.80 : x
  2. Step 2: Convert to fraction form
    31,126.40/46,657.20 = 17,064.80/x
  3. Step 3: Cross multiply
    31,126.40x = 46,657.20 × 17,064.80
  4. Step 4: Simplify right side
    31,126.40x = 796,195,786.56
  5. Step 5: Solve for x
    x = 796,195,786.56/31,126.40
  6. Step 6: Final answer
    x = 25,579.44

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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.