Home / 36,976.40-55,499.40-19,458.80

Finding the Fourth Proportional to 36,976.40, 55,499.40 and 19,458.80

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Solution

The fourth proportional to 36,976.40, 55,499.40 and 19,458.80 is: 29,206.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,976.40 : 55,499.40 = 19,458.80 : x
  2. Step 2: Convert to fraction form
    36,976.40/55,499.40 = 19,458.80/x
  3. Step 3: Cross multiply
    36,976.40x = 55,499.40 × 19,458.80
  4. Step 4: Simplify right side
    36,976.40x = 1,079,951,724.72
  5. Step 5: Solve for x
    x = 1,079,951,724.72/36,976.40
  6. Step 6: Final answer
    x = 29,206.51

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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.