Home / 31,204.20-46,806.30-28,093.80

Finding the Fourth Proportional to 31,204.20, 46,806.30 and 28,093.80

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Solution

The fourth proportional to 31,204.20, 46,806.30 and 28,093.80 is: 42,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,204.20 : 46,806.30 = 28,093.80 : x
  2. Step 2: Convert to fraction form
    31,204.20/46,806.30 = 28,093.80/x
  3. Step 3: Cross multiply
    31,204.20x = 46,806.30 × 28,093.80
  4. Step 4: Simplify right side
    31,204.20x = 1,314,966,830.94
  5. Step 5: Solve for x
    x = 1,314,966,830.94/31,204.20
  6. Step 6: Final answer
    x = 42,140.70

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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.