Home / 36,945.57-55,426.12-11,983.66

Finding the Fourth Proportional to 36,945.57, 55,426.12 and 11,983.66

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Solution

The fourth proportional to 36,945.57, 55,426.12 and 11,983.66 is: 17,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,945.57 : 55,426.12 = 11,983.66 : x
  2. Step 2: Convert to fraction form
    36,945.57/55,426.12 = 11,983.66/x
  3. Step 3: Cross multiply
    36,945.57x = 55,426.12 × 11,983.66
  4. Step 4: Simplify right side
    36,945.57x = 664,207,987.85
  5. Step 5: Solve for x
    x = 664,207,987.85/36,945.57
  6. Step 6: Final answer
    x = 17,978.02

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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.