Home / 36,665.60-55,000.20-19,169.60

Finding the Fourth Proportional to 36,665.60, 55,000.20 and 19,169.60

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Solution

The fourth proportional to 36,665.60, 55,000.20 and 19,169.60 is: 28,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,665.60 : 55,000.20 = 19,169.60 : x
  2. Step 2: Convert to fraction form
    36,665.60/55,000.20 = 19,169.60/x
  3. Step 3: Cross multiply
    36,665.60x = 55,000.20 × 19,169.60
  4. Step 4: Simplify right side
    36,665.60x = 1,054,331,833.92
  5. Step 5: Solve for x
    x = 1,054,331,833.92/36,665.60
  6. Step 6: Final answer
    x = 28,755.34

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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.