Home / 47,625.39-71,432.62-12,567.78

Finding the Fourth Proportional to 47,625.39, 71,432.62 and 12,567.78

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Solution

The fourth proportional to 47,625.39, 71,432.62 and 12,567.78 is: 18,850.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,625.39 : 71,432.62 = 12,567.78 : x
  2. Step 2: Convert to fraction form
    47,625.39/71,432.62 = 12,567.78/x
  3. Step 3: Cross multiply
    47,625.39x = 71,432.62 × 12,567.78
  4. Step 4: Simplify right side
    47,625.39x = 897,749,421.56
  5. Step 5: Solve for x
    x = 897,749,421.56/47,625.39
  6. Step 6: Final answer
    x = 18,850.23

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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.