Home / 36,806.08-50,763.36-31,043.20

Finding the Fourth Proportional to 36,806.08, 50,763.36 and 31,043.20

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Solution

The fourth proportional to 36,806.08, 50,763.36 and 31,043.20 is: 42,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,806.08 : 50,763.36 = 31,043.20 : x
  2. Step 2: Convert to fraction form
    36,806.08/50,763.36 = 31,043.20/x
  3. Step 3: Cross multiply
    36,806.08x = 50,763.36 × 31,043.20
  4. Step 4: Simplify right side
    36,806.08x = 1,575,857,137.15
  5. Step 5: Solve for x
    x = 1,575,857,137.15/36,806.08
  6. Step 6: Final answer
    x = 42,815.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.