Home / 48,917.71-73,388.72-13,857.67

Finding the Fourth Proportional to 48,917.71, 73,388.72 and 13,857.67

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Solution

The fourth proportional to 48,917.71, 73,388.72 and 13,857.67 is: 20,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,917.71 : 73,388.72 = 13,857.67 : x
  2. Step 2: Convert to fraction form
    48,917.71/73,388.72 = 13,857.67/x
  3. Step 3: Cross multiply
    48,917.71x = 73,388.72 × 13,857.67
  4. Step 4: Simplify right side
    48,917.71x = 1,016,996,663.48
  5. Step 5: Solve for x
    x = 1,016,996,663.48/48,917.71
  6. Step 6: Final answer
    x = 20,789.95

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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.