Home / 36,936.81-55,422.53-18,206.64

Finding the Fourth Proportional to 36,936.81, 55,422.53 and 18,206.64

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Solution

The fourth proportional to 36,936.81, 55,422.53 and 18,206.64 is: 27,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,936.81 : 55,422.53 = 18,206.64 : x
  2. Step 2: Convert to fraction form
    36,936.81/55,422.53 = 18,206.64/x
  3. Step 3: Cross multiply
    36,936.81x = 55,422.53 × 18,206.64
  4. Step 4: Simplify right side
    36,936.81x = 1,009,057,960.57
  5. Step 5: Solve for x
    x = 1,009,057,960.57/36,936.81
  6. Step 6: Final answer
    x = 27,318.49

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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.