Home / 36,051.55-49,749.60-20,135.73

Finding the Fourth Proportional to 36,051.55, 49,749.60 and 20,135.73

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Solution

The fourth proportional to 36,051.55, 49,749.60 and 20,135.73 is: 27,786.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,051.55 : 49,749.60 = 20,135.73 : x
  2. Step 2: Convert to fraction form
    36,051.55/49,749.60 = 20,135.73/x
  3. Step 3: Cross multiply
    36,051.55x = 49,749.60 × 20,135.73
  4. Step 4: Simplify right side
    36,051.55x = 1,001,744,513.21
  5. Step 5: Solve for x
    x = 1,001,744,513.21/36,051.55
  6. Step 6: Final answer
    x = 27,786.45

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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.