Home / 36,149.58-49,885.90-20,015.35

Finding the Fourth Proportional to 36,149.58, 49,885.90 and 20,015.35

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Solution

The fourth proportional to 36,149.58, 49,885.90 and 20,015.35 is: 27,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,149.58 : 49,885.90 = 20,015.35 : x
  2. Step 2: Convert to fraction form
    36,149.58/49,885.90 = 20,015.35/x
  3. Step 3: Cross multiply
    36,149.58x = 49,885.90 × 20,015.35
  4. Step 4: Simplify right side
    36,149.58x = 998,483,499.14
  5. Step 5: Solve for x
    x = 998,483,499.14/36,149.58
  6. Step 6: Final answer
    x = 27,620.89

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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.