Home / 36,945.40-55,425.88-11,983.50

Finding the Fourth Proportional to 36,945.40, 55,425.88 and 11,983.50

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Solution

The fourth proportional to 36,945.40, 55,425.88 and 11,983.50 is: 17,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,945.40 : 55,425.88 = 11,983.50 : x
  2. Step 2: Convert to fraction form
    36,945.40/55,425.88 = 11,983.50/x
  3. Step 3: Cross multiply
    36,945.40x = 55,425.88 × 11,983.50
  4. Step 4: Simplify right side
    36,945.40x = 664,196,201.50
  5. Step 5: Solve for x
    x = 664,196,201.50/36,945.40
  6. Step 6: Final answer
    x = 17,977.78

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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.