Home / 47,841.14-71,756.12-12,783.54

Finding the Fourth Proportional to 47,841.14, 71,756.12 and 12,783.54

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Solution

The fourth proportional to 47,841.14, 71,756.12 and 12,783.54 is: 19,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,841.14 : 71,756.12 = 12,783.54 : x
  2. Step 2: Convert to fraction form
    47,841.14/71,756.12 = 12,783.54/x
  3. Step 3: Cross multiply
    47,841.14x = 71,756.12 × 12,783.54
  4. Step 4: Simplify right side
    47,841.14x = 917,297,230.26
  5. Step 5: Solve for x
    x = 917,297,230.26/47,841.14
  6. Step 6: Final answer
    x = 19,173.82

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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.