Home / 36,045.62-49,739.40-20,129.73

Finding the Fourth Proportional to 36,045.62, 49,739.40 and 20,129.73

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Solution

The fourth proportional to 36,045.62, 49,739.40 and 20,129.73 is: 27,777.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,045.62 : 49,739.40 = 20,129.73 : x
  2. Step 2: Convert to fraction form
    36,045.62/49,739.40 = 20,129.73/x
  3. Step 3: Cross multiply
    36,045.62x = 49,739.40 × 20,129.73
  4. Step 4: Simplify right side
    36,045.62x = 1,001,240,505.84
  5. Step 5: Solve for x
    x = 1,001,240,505.84/36,045.62
  6. Step 6: Final answer
    x = 27,777.04

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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.