Home / 36,911.40-55,375.08-11,953.95

Finding the Fourth Proportional to 36,911.40, 55,375.08 and 11,953.95

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Solution

The fourth proportional to 36,911.40, 55,375.08 and 11,953.95 is: 17,933.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,911.40 : 55,375.08 = 11,953.95 : x
  2. Step 2: Convert to fraction form
    36,911.40/55,375.08 = 11,953.95/x
  3. Step 3: Cross multiply
    36,911.40x = 55,375.08 × 11,953.95
  4. Step 4: Simplify right side
    36,911.40x = 661,950,937.57
  5. Step 5: Solve for x
    x = 661,950,937.57/36,911.40
  6. Step 6: Final answer
    x = 17,933.51

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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.