Home / 36,851.23-55,279.73-13,163.89

Finding the Fourth Proportional to 36,851.23, 55,279.73 and 13,163.89

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Solution

The fourth proportional to 36,851.23, 55,279.73 and 13,163.89 is: 19,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,851.23 : 55,279.73 = 13,163.89 : x
  2. Step 2: Convert to fraction form
    36,851.23/55,279.73 = 13,163.89/x
  3. Step 3: Cross multiply
    36,851.23x = 55,279.73 × 13,163.89
  4. Step 4: Simplify right side
    36,851.23x = 727,696,284.95
  5. Step 5: Solve for x
    x = 727,696,284.95/36,851.23
  6. Step 6: Final answer
    x = 19,746.87

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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.