Home / 39,949.80-55,129.78-22,044.84

Finding the Fourth Proportional to 39,949.80, 55,129.78 and 22,044.84

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Solution

The fourth proportional to 39,949.80, 55,129.78 and 22,044.84 is: 30,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,949.80 : 55,129.78 = 22,044.84 : x
  2. Step 2: Convert to fraction form
    39,949.80/55,129.78 = 22,044.84/x
  3. Step 3: Cross multiply
    39,949.80x = 55,129.78 × 22,044.84
  4. Step 4: Simplify right side
    39,949.80x = 1,215,327,179.34
  5. Step 5: Solve for x
    x = 1,215,327,179.34/39,949.80
  6. Step 6: Final answer
    x = 30,421.36

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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.