Home / 36,811.10-55,217.13-10,516.70

Finding the Fourth Proportional to 36,811.10, 55,217.13 and 10,516.70

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Solution

The fourth proportional to 36,811.10, 55,217.13 and 10,516.70 is: 15,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,811.10 : 55,217.13 = 10,516.70 : x
  2. Step 2: Convert to fraction form
    36,811.10/55,217.13 = 10,516.70/x
  3. Step 3: Cross multiply
    36,811.10x = 55,217.13 × 10,516.70
  4. Step 4: Simplify right side
    36,811.10x = 580,701,991.07
  5. Step 5: Solve for x
    x = 580,701,991.07/36,811.10
  6. Step 6: Final answer
    x = 15,775.19

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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.