Home / 36,986.70-55,443.60-18,251.40

Finding the Fourth Proportional to 36,986.70, 55,443.60 and 18,251.40

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Solution

The fourth proportional to 36,986.70, 55,443.60 and 18,251.40 is: 27,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.70 : 55,443.60 = 18,251.40 : x
  2. Step 2: Convert to fraction form
    36,986.70/55,443.60 = 18,251.40/x
  3. Step 3: Cross multiply
    36,986.70x = 55,443.60 × 18,251.40
  4. Step 4: Simplify right side
    36,986.70x = 1,011,923,321.04
  5. Step 5: Solve for x
    x = 1,011,923,321.04/36,986.70
  6. Step 6: Final answer
    x = 27,359.11

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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.