Home / 36,694.48-55,041.72-13,320.88

Finding the Fourth Proportional to 36,694.48, 55,041.72 and 13,320.88

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Solution

The fourth proportional to 36,694.48, 55,041.72 and 13,320.88 is: 19,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,694.48 : 55,041.72 = 13,320.88 : x
  2. Step 2: Convert to fraction form
    36,694.48/55,041.72 = 13,320.88/x
  3. Step 3: Cross multiply
    36,694.48x = 55,041.72 × 13,320.88
  4. Step 4: Simplify right side
    36,694.48x = 733,204,147.11
  5. Step 5: Solve for x
    x = 733,204,147.11/36,694.48
  6. Step 6: Final answer
    x = 19,981.32

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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.