Home / 45,419.91-68,110.43-15,828.99

Finding the Fourth Proportional to 45,419.91, 68,110.43 and 15,828.99

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Solution

The fourth proportional to 45,419.91, 68,110.43 and 15,828.99 is: 23,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,419.91 : 68,110.43 = 15,828.99 : x
  2. Step 2: Convert to fraction form
    45,419.91/68,110.43 = 15,828.99/x
  3. Step 3: Cross multiply
    45,419.91x = 68,110.43 × 15,828.99
  4. Step 4: Simplify right side
    45,419.91x = 1,078,119,236.22
  5. Step 5: Solve for x
    x = 1,078,119,236.22/45,419.91
  6. Step 6: Final answer
    x = 23,736.71

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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.