Home / 39,954.74-55,137.48-22,049.75

Finding the Fourth Proportional to 39,954.74, 55,137.48 and 22,049.75

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Solution

The fourth proportional to 39,954.74, 55,137.48 and 22,049.75 is: 30,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.74 : 55,137.48 = 22,049.75 : x
  2. Step 2: Convert to fraction form
    39,954.74/55,137.48 = 22,049.75/x
  3. Step 3: Cross multiply
    39,954.74x = 55,137.48 × 22,049.75
  4. Step 4: Simplify right side
    39,954.74x = 1,215,767,373.94
  5. Step 5: Solve for x
    x = 1,215,767,373.94/39,954.74
  6. Step 6: Final answer
    x = 30,428.62

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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.