Home / 36,105.68-54,161.76-9,810.56

Finding the Fourth Proportional to 36,105.68, 54,161.76 and 9,810.56

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Solution

The fourth proportional to 36,105.68, 54,161.76 and 9,810.56 is: 14,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,105.68 : 54,161.76 = 9,810.56 : x
  2. Step 2: Convert to fraction form
    36,105.68/54,161.76 = 9,810.56/x
  3. Step 3: Cross multiply
    36,105.68x = 54,161.76 × 9,810.56
  4. Step 4: Simplify right side
    36,105.68x = 531,357,196.19
  5. Step 5: Solve for x
    x = 531,357,196.19/36,105.68
  6. Step 6: Final answer
    x = 14,716.72

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1.5x scale

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.