Home / 45,816.11-68,734.92-14,224.56

Finding the Fourth Proportional to 45,816.11, 68,734.92 and 14,224.56

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Solution

The fourth proportional to 45,816.11, 68,734.92 and 14,224.56 is: 21,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,816.11 : 68,734.92 = 14,224.56 : x
  2. Step 2: Convert to fraction form
    45,816.11/68,734.92 = 14,224.56/x
  3. Step 3: Cross multiply
    45,816.11x = 68,734.92 × 14,224.56
  4. Step 4: Simplify right side
    45,816.11x = 977,723,993.64
  5. Step 5: Solve for x
    x = 977,723,993.64/45,816.11
  6. Step 6: Final answer
    x = 21,340.18

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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.