Home / 36,948.92-55,423.35-11,988.95

Finding the Fourth Proportional to 36,948.92, 55,423.35 and 11,988.95

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Solution

The fourth proportional to 36,948.92, 55,423.35 and 11,988.95 is: 17,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,948.92 : 55,423.35 = 11,988.95 : x
  2. Step 2: Convert to fraction form
    36,948.92/55,423.35 = 11,988.95/x
  3. Step 3: Cross multiply
    36,948.92x = 55,423.35 × 11,988.95
  4. Step 4: Simplify right side
    36,948.92x = 664,467,771.98
  5. Step 5: Solve for x
    x = 664,467,771.98/36,948.92
  6. Step 6: Final answer
    x = 17,983.42

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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.