Home / 47,885.67-71,828.46-12,824.37

Finding the Fourth Proportional to 47,885.67, 71,828.46 and 12,824.37

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Solution

The fourth proportional to 47,885.67, 71,828.46 and 12,824.37 is: 19,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,885.67 : 71,828.46 = 12,824.37 : x
  2. Step 2: Convert to fraction form
    47,885.67/71,828.46 = 12,824.37/x
  3. Step 3: Cross multiply
    47,885.67x = 71,828.46 × 12,824.37
  4. Step 4: Simplify right side
    47,885.67x = 921,154,747.57
  5. Step 5: Solve for x
    x = 921,154,747.57/47,885.67
  6. Step 6: Final answer
    x = 19,236.54

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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.