Home / 48,905.82-73,358.73-13,845.78

Finding the Fourth Proportional to 48,905.82, 73,358.73 and 13,845.78

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Solution

The fourth proportional to 48,905.82, 73,358.73 and 13,845.78 is: 20,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,905.82 : 73,358.73 = 13,845.78 : x
  2. Step 2: Convert to fraction form
    48,905.82/73,358.73 = 13,845.78/x
  3. Step 3: Cross multiply
    48,905.82x = 73,358.73 × 13,845.78
  4. Step 4: Simplify right side
    48,905.82x = 1,015,708,836.66
  5. Step 5: Solve for x
    x = 1,015,708,836.66/48,905.82
  6. Step 6: Final answer
    x = 20,768.67

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1.5x scale

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.