Home / 45,499.11-68,258.38-15,917.91

Finding the Fourth Proportional to 45,499.11, 68,258.38 and 15,917.91

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Solution

The fourth proportional to 45,499.11, 68,258.38 and 15,917.91 is: 23,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,499.11 : 68,258.38 = 15,917.91 : x
  2. Step 2: Convert to fraction form
    45,499.11/68,258.38 = 15,917.91/x
  3. Step 3: Cross multiply
    45,499.11x = 68,258.38 × 15,917.91
  4. Step 4: Simplify right side
    45,499.11x = 1,086,530,749.59
  5. Step 5: Solve for x
    x = 1,086,530,749.59/45,499.11
  6. Step 6: Final answer
    x = 23,880.26

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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.