Home / 36,965.32-51,012.30-20,198.68

Finding the Fourth Proportional to 36,965.32, 51,012.30 and 20,198.68

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Solution

The fourth proportional to 36,965.32, 51,012.30 and 20,198.68 is: 27,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,965.32 : 51,012.30 = 20,198.68 : x
  2. Step 2: Convert to fraction form
    36,965.32/51,012.30 = 20,198.68/x
  3. Step 3: Cross multiply
    36,965.32x = 51,012.30 × 20,198.68
  4. Step 4: Simplify right side
    36,965.32x = 1,030,381,123.76
  5. Step 5: Solve for x
    x = 1,030,381,123.76/36,965.32
  6. Step 6: Final answer
    x = 27,874.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.