Home / 36,919.76-55,395.88-19,385.52

Finding the Fourth Proportional to 36,919.76, 55,395.88 and 19,385.52

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Solution

The fourth proportional to 36,919.76, 55,395.88 and 19,385.52 is: 29,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,919.76 : 55,395.88 = 19,385.52 : x
  2. Step 2: Convert to fraction form
    36,919.76/55,395.88 = 19,385.52/x
  3. Step 3: Cross multiply
    36,919.76x = 55,395.88 × 19,385.52
  4. Step 4: Simplify right side
    36,919.76x = 1,073,877,939.66
  5. Step 5: Solve for x
    x = 1,073,877,939.66/36,919.76
  6. Step 6: Final answer
    x = 29,086.81

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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.