Home / 39,748.65-54,850.49-21,843.27

Finding the Fourth Proportional to 39,748.65, 54,850.49 and 21,843.27

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Solution

The fourth proportional to 39,748.65, 54,850.49 and 21,843.27 is: 30,142.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,748.65 : 54,850.49 = 21,843.27 : x
  2. Step 2: Convert to fraction form
    39,748.65/54,850.49 = 21,843.27/x
  3. Step 3: Cross multiply
    39,748.65x = 54,850.49 × 21,843.27
  4. Step 4: Simplify right side
    39,748.65x = 1,198,113,953.49
  5. Step 5: Solve for x
    x = 1,198,113,953.49/39,748.65
  6. Step 6: Final answer
    x = 30,142.26

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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.