Home / 39,949.74-55,130.49-22,044.69

Finding the Fourth Proportional to 39,949.74, 55,130.49 and 22,044.69

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Solution

The fourth proportional to 39,949.74, 55,130.49 and 22,044.69 is: 30,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,949.74 : 55,130.49 = 22,044.69 : x
  2. Step 2: Convert to fraction form
    39,949.74/55,130.49 = 22,044.69/x
  3. Step 3: Cross multiply
    39,949.74x = 55,130.49 × 22,044.69
  4. Step 4: Simplify right side
    39,949.74x = 1,215,334,561.60
  5. Step 5: Solve for x
    x = 1,215,334,561.60/39,949.74
  6. Step 6: Final answer
    x = 30,421.59

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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.