Home / 47,608.48-71,406.96-12,550.78

Finding the Fourth Proportional to 47,608.48, 71,406.96 and 12,550.78

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Solution

The fourth proportional to 47,608.48, 71,406.96 and 12,550.78 is: 18,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,608.48 : 71,406.96 = 12,550.78 : x
  2. Step 2: Convert to fraction form
    47,608.48/71,406.96 = 12,550.78/x
  3. Step 3: Cross multiply
    47,608.48x = 71,406.96 × 12,550.78
  4. Step 4: Simplify right side
    47,608.48x = 896,213,045.43
  5. Step 5: Solve for x
    x = 896,213,045.43/47,608.48
  6. Step 6: Final answer
    x = 18,824.65

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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.