Home / 38,571.53-57,861.54-12,270.12

Finding the Fourth Proportional to 38,571.53, 57,861.54 and 12,270.12

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Solution

The fourth proportional to 38,571.53, 57,861.54 and 12,270.12 is: 18,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,571.53 : 57,861.54 = 12,270.12 : x
  2. Step 2: Convert to fraction form
    38,571.53/57,861.54 = 12,270.12/x
  3. Step 3: Cross multiply
    38,571.53x = 57,861.54 × 12,270.12
  4. Step 4: Simplify right side
    38,571.53x = 709,967,822.20
  5. Step 5: Solve for x
    x = 709,967,822.20/38,571.53
  6. Step 6: Final answer
    x = 18,406.53

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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.