Home / 36,716.99-55,075.37-10,421.75

Finding the Fourth Proportional to 36,716.99, 55,075.37 and 10,421.75

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Solution

The fourth proportional to 36,716.99, 55,075.37 and 10,421.75 is: 15,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,716.99 : 55,075.37 = 10,421.75 : x
  2. Step 2: Convert to fraction form
    36,716.99/55,075.37 = 10,421.75/x
  3. Step 3: Cross multiply
    36,716.99x = 55,075.37 × 10,421.75
  4. Step 4: Simplify right side
    36,716.99x = 573,981,409.81
  5. Step 5: Solve for x
    x = 573,981,409.81/36,716.99
  6. Step 6: Final answer
    x = 15,632.59

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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.