Home / 39,086.70-58,489.90-33,839.76

Finding the Fourth Proportional to 39,086.70, 58,489.90 and 33,839.76

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Solution

The fourth proportional to 39,086.70, 58,489.90 and 33,839.76 is: 50,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,086.70 : 58,489.90 = 33,839.76 : x
  2. Step 2: Convert to fraction form
    39,086.70/58,489.90 = 33,839.76/x
  3. Step 3: Cross multiply
    39,086.70x = 58,489.90 × 33,839.76
  4. Step 4: Simplify right side
    39,086.70x = 1,979,284,178.42
  5. Step 5: Solve for x
    x = 1,979,284,178.42/39,086.70
  6. Step 6: Final answer
    x = 50,638.30

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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.