Home / 38,936.94-58,423.86-20,207.01

Finding the Fourth Proportional to 38,936.94, 58,423.86 and 20,207.01

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Solution

The fourth proportional to 38,936.94, 58,423.86 and 20,207.01 is: 30,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,936.94 : 58,423.86 = 20,207.01 : x
  2. Step 2: Convert to fraction form
    38,936.94/58,423.86 = 20,207.01/x
  3. Step 3: Cross multiply
    38,936.94x = 58,423.86 × 20,207.01
  4. Step 4: Simplify right side
    38,936.94x = 1,180,571,523.26
  5. Step 5: Solve for x
    x = 1,180,571,523.26/38,936.94
  6. Step 6: Final answer
    x = 30,320.09

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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.