Home / 47,625.44-71,431.14-12,567.56

Finding the Fourth Proportional to 47,625.44, 71,431.14 and 12,567.56

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Solution

The fourth proportional to 47,625.44, 71,431.14 and 12,567.56 is: 18,849.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,625.44 : 71,431.14 = 12,567.56 : x
  2. Step 2: Convert to fraction form
    47,625.44/71,431.14 = 12,567.56/x
  3. Step 3: Cross multiply
    47,625.44x = 71,431.14 × 12,567.56
  4. Step 4: Simplify right side
    47,625.44x = 897,715,137.82
  5. Step 5: Solve for x
    x = 897,715,137.82/47,625.44
  6. Step 6: Final answer
    x = 18,849.49

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1.5x scale

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.