Home / 38,996.87-58,505.67-12,343.37

Finding the Fourth Proportional to 38,996.87, 58,505.67 and 12,343.37

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Solution

The fourth proportional to 38,996.87, 58,505.67 and 12,343.37 is: 18,518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,996.87 : 58,505.67 = 12,343.37 : x
  2. Step 2: Convert to fraction form
    38,996.87/58,505.67 = 12,343.37/x
  3. Step 3: Cross multiply
    38,996.87x = 58,505.67 × 12,343.37
  4. Step 4: Simplify right side
    38,996.87x = 722,156,839.38
  5. Step 5: Solve for x
    x = 722,156,839.38/38,996.87
  6. Step 6: Final answer
    x = 18,518.33

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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.