Home / 36,136.83-49,868.01-20,221.14

Finding the Fourth Proportional to 36,136.83, 49,868.01 and 20,221.14

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Solution

The fourth proportional to 36,136.83, 49,868.01 and 20,221.14 is: 27,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,136.83 : 49,868.01 = 20,221.14 : x
  2. Step 2: Convert to fraction form
    36,136.83/49,868.01 = 20,221.14/x
  3. Step 3: Cross multiply
    36,136.83x = 49,868.01 × 20,221.14
  4. Step 4: Simplify right side
    36,136.83x = 1,008,388,011.73
  5. Step 5: Solve for x
    x = 1,008,388,011.73/36,136.83
  6. Step 6: Final answer
    x = 27,904.72

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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.