Home / 41,688.77-62,517.20-20,621.57

Finding the Fourth Proportional to 41,688.77, 62,517.20 and 20,621.57

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Solution

The fourth proportional to 41,688.77, 62,517.20 and 20,621.57 is: 30,924.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,688.77 : 62,517.20 = 20,621.57 : x
  2. Step 2: Convert to fraction form
    41,688.77/62,517.20 = 20,621.57/x
  3. Step 3: Cross multiply
    41,688.77x = 62,517.20 × 20,621.57
  4. Step 4: Simplify right side
    41,688.77x = 1,289,202,400.31
  5. Step 5: Solve for x
    x = 1,289,202,400.31/41,688.77
  6. Step 6: Final answer
    x = 30,924.46

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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.