Home / 47,949.07-66,138.83-31,816.03

Finding the Fourth Proportional to 47,949.07, 66,138.83 and 31,816.03

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Solution

The fourth proportional to 47,949.07, 66,138.83 and 31,816.03 is: 43,885.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,949.07 : 66,138.83 = 31,816.03 : x
  2. Step 2: Convert to fraction form
    47,949.07/66,138.83 = 31,816.03/x
  3. Step 3: Cross multiply
    47,949.07x = 66,138.83 × 31,816.03
  4. Step 4: Simplify right side
    47,949.07x = 2,104,274,668.75
  5. Step 5: Solve for x
    x = 2,104,274,668.75/47,949.07
  6. Step 6: Final answer
    x = 43,885.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.