Home / 47,885.58-71,825.13-18,306.41

Finding the Fourth Proportional to 47,885.58, 71,825.13 and 18,306.41

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Solution

The fourth proportional to 47,885.58, 71,825.13 and 18,306.41 is: 27,458.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,885.58 : 71,825.13 = 18,306.41 : x
  2. Step 2: Convert to fraction form
    47,885.58/71,825.13 = 18,306.41/x
  3. Step 3: Cross multiply
    47,885.58x = 71,825.13 × 18,306.41
  4. Step 4: Simplify right side
    47,885.58x = 1,314,859,918.96
  5. Step 5: Solve for x
    x = 1,314,859,918.96/47,885.58
  6. Step 6: Final answer
    x = 27,458.37

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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.