Home / 36,773.40-55,121.70-20,107.80

Finding the Fourth Proportional to 36,773.40, 55,121.70 and 20,107.80

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Solution

The fourth proportional to 36,773.40, 55,121.70 and 20,107.80 is: 30,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,773.40 : 55,121.70 = 20,107.80 : x
  2. Step 2: Convert to fraction form
    36,773.40/55,121.70 = 20,107.80/x
  3. Step 3: Cross multiply
    36,773.40x = 55,121.70 × 20,107.80
  4. Step 4: Simplify right side
    36,773.40x = 1,108,376,119.26
  5. Step 5: Solve for x
    x = 1,108,376,119.26/36,773.40
  6. Step 6: Final answer
    x = 30,140.70

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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.