Home / 55,183.95-76,151.60-31,310.11

Finding the Fourth Proportional to 55,183.95, 76,151.60 and 31,310.11

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Solution

The fourth proportional to 55,183.95, 76,151.60 and 31,310.11 is: 43,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,183.95 : 76,151.60 = 31,310.11 : x
  2. Step 2: Convert to fraction form
    55,183.95/76,151.60 = 31,310.11/x
  3. Step 3: Cross multiply
    55,183.95x = 76,151.60 × 31,310.11
  4. Step 4: Simplify right side
    55,183.95x = 2,384,314,860.57
  5. Step 5: Solve for x
    x = 2,384,314,860.57/55,183.95
  6. Step 6: Final answer
    x = 43,206.67

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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.