Home / 36,709.79-55,068.32-11,743.56

Finding the Fourth Proportional to 36,709.79, 55,068.32 and 11,743.56

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Solution

The fourth proportional to 36,709.79, 55,068.32 and 11,743.56 is: 17,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,709.79 : 55,068.32 = 11,743.56 : x
  2. Step 2: Convert to fraction form
    36,709.79/55,068.32 = 11,743.56/x
  3. Step 3: Cross multiply
    36,709.79x = 55,068.32 × 11,743.56
  4. Step 4: Simplify right side
    36,709.79x = 646,698,149.38
  5. Step 5: Solve for x
    x = 646,698,149.38/36,709.79
  6. Step 6: Final answer
    x = 17,616.51

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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.