Home / 38,936.28-58,385.93-20,197.55

Finding the Fourth Proportional to 38,936.28, 58,385.93 and 20,197.55

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Solution

The fourth proportional to 38,936.28, 58,385.93 and 20,197.55 is: 30,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,936.28 : 58,385.93 = 20,197.55 : x
  2. Step 2: Convert to fraction form
    38,936.28/58,385.93 = 20,197.55/x
  3. Step 3: Cross multiply
    38,936.28x = 58,385.93 × 20,197.55
  4. Step 4: Simplify right side
    38,936.28x = 1,179,252,347.55
  5. Step 5: Solve for x
    x = 1,179,252,347.55/38,936.28
  6. Step 6: Final answer
    x = 30,286.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.