Home / 47,616.84-71,429.22-12,556.62

Finding the Fourth Proportional to 47,616.84, 71,429.22 and 12,556.62

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Solution

The fourth proportional to 47,616.84, 71,429.22 and 12,556.62 is: 18,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,616.84 : 71,429.22 = 12,556.62 : x
  2. Step 2: Convert to fraction form
    47,616.84/71,429.22 = 12,556.62/x
  3. Step 3: Cross multiply
    47,616.84x = 71,429.22 × 12,556.62
  4. Step 4: Simplify right side
    47,616.84x = 896,909,572.44
  5. Step 5: Solve for x
    x = 896,909,572.44/47,616.84
  6. Step 6: Final answer
    x = 18,835.97

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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.