Home / 37,640.51-56,463.84-18,910.88

Finding the Fourth Proportional to 37,640.51, 56,463.84 and 18,910.88

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Solution

The fourth proportional to 37,640.51, 56,463.84 and 18,910.88 is: 28,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,640.51 : 56,463.84 = 18,910.88 : x
  2. Step 2: Convert to fraction form
    37,640.51/56,463.84 = 18,910.88/x
  3. Step 3: Cross multiply
    37,640.51x = 56,463.84 × 18,910.88
  4. Step 4: Simplify right side
    37,640.51x = 1,067,781,202.80
  5. Step 5: Solve for x
    x = 1,067,781,202.80/37,640.51
  6. Step 6: Final answer
    x = 28,367.87

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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.