Home / 45,399.18-68,091.21-21,721.26

Finding the Fourth Proportional to 45,399.18, 68,091.21 and 21,721.26

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Solution

The fourth proportional to 45,399.18, 68,091.21 and 21,721.26 is: 32,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,399.18 : 68,091.21 = 21,721.26 : x
  2. Step 2: Convert to fraction form
    45,399.18/68,091.21 = 21,721.26/x
  3. Step 3: Cross multiply
    45,399.18x = 68,091.21 × 21,721.26
  4. Step 4: Simplify right side
    45,399.18x = 1,479,026,876.12
  5. Step 5: Solve for x
    x = 1,479,026,876.12/45,399.18
  6. Step 6: Final answer
    x = 32,578.27

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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.