Home / 47,057.25-70,583.85-11,995.86

Finding the Fourth Proportional to 47,057.25, 70,583.85 and 11,995.86

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Solution

The fourth proportional to 47,057.25, 70,583.85 and 11,995.86 is: 17,993.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,057.25 : 70,583.85 = 11,995.86 : x
  2. Step 2: Convert to fraction form
    47,057.25/70,583.85 = 11,995.86/x
  3. Step 3: Cross multiply
    47,057.25x = 70,583.85 × 11,995.86
  4. Step 4: Simplify right side
    47,057.25x = 846,713,982.86
  5. Step 5: Solve for x
    x = 846,713,982.86/47,057.25
  6. Step 6: Final answer
    x = 17,993.27

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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.