Home / 39,519.89-54,536.68-21,614.84

Finding the Fourth Proportional to 39,519.89, 54,536.68 and 21,614.84

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Solution

The fourth proportional to 39,519.89, 54,536.68 and 21,614.84 is: 29,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,519.89 : 54,536.68 = 21,614.84 : x
  2. Step 2: Convert to fraction form
    39,519.89/54,536.68 = 21,614.84/x
  3. Step 3: Cross multiply
    39,519.89x = 54,536.68 × 21,614.84
  4. Step 4: Simplify right side
    39,519.89x = 1,178,801,612.33
  5. Step 5: Solve for x
    x = 1,178,801,612.33/39,519.89
  6. Step 6: Final answer
    x = 29,828.06

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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.