Home / 39,814.01-54,941.94-21,908.56

Finding the Fourth Proportional to 39,814.01, 54,941.94 and 21,908.56

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Solution

The fourth proportional to 39,814.01, 54,941.94 and 21,908.56 is: 30,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,814.01 : 54,941.94 = 21,908.56 : x
  2. Step 2: Convert to fraction form
    39,814.01/54,941.94 = 21,908.56/x
  3. Step 3: Cross multiply
    39,814.01x = 54,941.94 × 21,908.56
  4. Step 4: Simplify right side
    39,814.01x = 1,203,698,651.65
  5. Step 5: Solve for x
    x = 1,203,698,651.65/39,814.01
  6. Step 6: Final answer
    x = 30,233.04

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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.