Home / 36,690.28-55,038.45-11,733.88

Finding the Fourth Proportional to 36,690.28, 55,038.45 and 11,733.88

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Solution

The fourth proportional to 36,690.28, 55,038.45 and 11,733.88 is: 17,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.28 : 55,038.45 = 11,733.88 : x
  2. Step 2: Convert to fraction form
    36,690.28/55,038.45 = 11,733.88/x
  3. Step 3: Cross multiply
    36,690.28x = 55,038.45 × 11,733.88
  4. Step 4: Simplify right side
    36,690.28x = 645,814,567.69
  5. Step 5: Solve for x
    x = 645,814,567.69/36,690.28
  6. Step 6: Final answer
    x = 17,601.79

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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.