Home / 36,786.39-55,180.10-10,491.13

Finding the Fourth Proportional to 36,786.39, 55,180.10 and 10,491.13

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Solution

The fourth proportional to 36,786.39, 55,180.10 and 10,491.13 is: 15,736.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,786.39 : 55,180.10 = 10,491.13 : x
  2. Step 2: Convert to fraction form
    36,786.39/55,180.10 = 10,491.13/x
  3. Step 3: Cross multiply
    36,786.39x = 55,180.10 × 10,491.13
  4. Step 4: Simplify right side
    36,786.39x = 578,901,602.51
  5. Step 5: Solve for x
    x = 578,901,602.51/36,786.39
  6. Step 6: Final answer
    x = 15,736.84

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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.