Home / 39,072.25-58,679.88-35,778.42

Finding the Fourth Proportional to 39,072.25, 58,679.88 and 35,778.42

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Solution

The fourth proportional to 39,072.25, 58,679.88 and 35,778.42 is: 53,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.25 : 58,679.88 = 35,778.42 : x
  2. Step 2: Convert to fraction form
    39,072.25/58,679.88 = 35,778.42/x
  3. Step 3: Cross multiply
    39,072.25x = 58,679.88 × 35,778.42
  4. Step 4: Simplify right side
    39,072.25x = 2,099,473,213.30
  5. Step 5: Solve for x
    x = 2,099,473,213.30/39,072.25
  6. Step 6: Final answer
    x = 53,733.10

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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.