Home / 36,986.28-55,479.83-10,691.25

Finding the Fourth Proportional to 36,986.28, 55,479.83 and 10,691.25

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Solution

The fourth proportional to 36,986.28, 55,479.83 and 10,691.25 is: 16,036.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.28 : 55,479.83 = 10,691.25 : x
  2. Step 2: Convert to fraction form
    36,986.28/55,479.83 = 10,691.25/x
  3. Step 3: Cross multiply
    36,986.28x = 55,479.83 × 10,691.25
  4. Step 4: Simplify right side
    36,986.28x = 593,148,679.03
  5. Step 5: Solve for x
    x = 593,148,679.03/36,986.28
  6. Step 6: Final answer
    x = 16,036.99

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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.