Home / 47,121.24-65,042.47-30,171.14

Finding the Fourth Proportional to 47,121.24, 65,042.47 and 30,171.14

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Solution

The fourth proportional to 47,121.24, 65,042.47 and 30,171.14 is: 41,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.24 : 65,042.47 = 30,171.14 : x
  2. Step 2: Convert to fraction form
    47,121.24/65,042.47 = 30,171.14/x
  3. Step 3: Cross multiply
    47,121.24x = 65,042.47 × 30,171.14
  4. Step 4: Simplify right side
    47,121.24x = 1,962,405,424.73
  5. Step 5: Solve for x
    x = 1,962,405,424.73/47,121.24
  6. Step 6: Final answer
    x = 41,645.87

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1.5x scale

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.