Home / 51,518.43-77,275.22-30,183.03

Finding the Fourth Proportional to 51,518.43, 77,275.22 and 30,183.03

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Solution

The fourth proportional to 51,518.43, 77,275.22 and 30,183.03 is: 45,273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518.43 : 77,275.22 = 30,183.03 : x
  2. Step 2: Convert to fraction form
    51,518.43/77,275.22 = 30,183.03/x
  3. Step 3: Cross multiply
    51,518.43x = 77,275.22 × 30,183.03
  4. Step 4: Simplify right side
    51,518.43x = 2,332,400,132.60
  5. Step 5: Solve for x
    x = 2,332,400,132.60/51,518.43
  6. Step 6: Final answer
    x = 45,273.12

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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.