Home / 50,109.03-75,171.85-18,519.13

Finding the Fourth Proportional to 50,109.03, 75,171.85 and 18,519.13

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Solution

The fourth proportional to 50,109.03, 75,171.85 and 18,519.13 is: 27,781.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,109.03 : 75,171.85 = 18,519.13 : x
  2. Step 2: Convert to fraction form
    50,109.03/75,171.85 = 18,519.13/x
  3. Step 3: Cross multiply
    50,109.03x = 75,171.85 × 18,519.13
  4. Step 4: Simplify right side
    50,109.03x = 1,392,117,310.16
  5. Step 5: Solve for x
    x = 1,392,117,310.16/50,109.03
  6. Step 6: Final answer
    x = 27,781.77

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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.