Home / 48,581.37-72,857.97-20,507.67

Finding the Fourth Proportional to 48,581.37, 72,857.97 and 20,507.67

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Solution

The fourth proportional to 48,581.37, 72,857.97 and 20,507.67 is: 30,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,581.37 : 72,857.97 = 20,507.67 : x
  2. Step 2: Convert to fraction form
    48,581.37/72,857.97 = 20,507.67/x
  3. Step 3: Cross multiply
    48,581.37x = 72,857.97 × 20,507.67
  4. Step 4: Simplify right side
    48,581.37x = 1,494,147,205.63
  5. Step 5: Solve for x
    x = 1,494,147,205.63/48,581.37
  6. Step 6: Final answer
    x = 30,755.56

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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.