Home / 47,669.76-71,496.42-12,612.96

Finding the Fourth Proportional to 47,669.76, 71,496.42 and 12,612.96

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Solution

The fourth proportional to 47,669.76, 71,496.42 and 12,612.96 is: 18,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,669.76 : 71,496.42 = 12,612.96 : x
  2. Step 2: Convert to fraction form
    47,669.76/71,496.42 = 12,612.96/x
  3. Step 3: Cross multiply
    47,669.76x = 71,496.42 × 12,612.96
  4. Step 4: Simplify right side
    47,669.76x = 901,781,485.60
  5. Step 5: Solve for x
    x = 901,781,485.60/47,669.76
  6. Step 6: Final answer
    x = 18,917.27

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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.