Home / 36,899.11-55,355.84-13,208.43

Finding the Fourth Proportional to 36,899.11, 55,355.84 and 13,208.43

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Solution

The fourth proportional to 36,899.11, 55,355.84 and 13,208.43 is: 19,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,899.11 : 55,355.84 = 13,208.43 : x
  2. Step 2: Convert to fraction form
    36,899.11/55,355.84 = 13,208.43/x
  3. Step 3: Cross multiply
    36,899.11x = 55,355.84 × 13,208.43
  4. Step 4: Simplify right side
    36,899.11x = 731,163,928.81
  5. Step 5: Solve for x
    x = 731,163,928.81/36,899.11
  6. Step 6: Final answer
    x = 19,815.22

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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.